NationMaster - Encyclopedia: Ganges and Indus River Dolphin

The Ganges River Dolphin (Platanista gangetica gangetica) and Indus River Dolphin (Platanista gangetica minor) are two sub-species of freshwater or river dolphins found in Bangladesh, India, Nepal and Pakistan. The Ganges River Dolphin is primarily found in the Ganges and Brahmaputra Rivers and their tributaries in India, Bangladesh and Nepal while the Indus River Dolphin is only found in the Indus river in Pakistan. From the 1970s until 1998, they were regarded as separate species, however, in 1998, their classification was changed from two separate species to subspecies of a single species (see taxonomy below). Image File history File links Download high-resolution version (1574x940, 507 KB) Original caption: Schnabeldelphin, Platanista gangetica Lebeck. ... Image File history File links Download high-resolution version (1574x940, 507 KB) Original caption: Schnabeldelphin, Platanista gangetica Lebeck. ... Families See text River dolphins are four species of dolphin which reside in freshwater rivers and estuaries. ... Ganga redirects here. ... The Brahmaputra is one of the major rivers of Asia. ... â€¹ The template below (Citations missing) is being considered for deletion. ...

Other names

Taxonomy

The species was described by two separate authors Lebeck and Roxburgh in the year 1801 and it is unclear to whom the original description should be ascribed.^[1] Until the 1970s the Indus and Ganges River Dolphins were regarded as a single species. The two populations are geographically separate and have not interbred for many hundreds if not thousands of years. Based on differences in skull structure, vertebrae and lipid composition scientists declared the two populations as separate species in the early 1970's.^[2] In 1998 the results of these studies were questioned and the classification reverted to the pre-1970 consensus of a single species containing two subspecies until the taxonomy could be resolved using modern techniques such as molecular sequencing. Thus, at present, there are two subpecies recognized in the genus Platanista, Platanista gangetica minor (the Indus dolphin) and Platanista gangetica gangetica (the Ganges River dolphin).^[3]

Physical description

The Ganges and Indus River Dolphins are essentially identical in appearance. They have the long, pointed snout characteristic of all river dolphins. The teeth are visible in both the upper and lower jaws even when the mouth is closed. The teeth of young animals are almost an inch long, thin and curved, however as animals age the teeth undergo considerable changes and in mature adults become square, bony, flat disks. The snout thickens towards its end. The species does not have a crystalline eye lens, rendering it effectively blind, although it may still be able to detect the intensity and direction of light. Navigation and hunting are carried out using echolocation. The body is a brownish colour and stocky at the middle. The species has only a small triangular lump in the place of a dorsal fin. The flippers and tail are thin and large in relation to the body size, which is about 2-2.2 meters in males and 2.4-2.6 m in females. The oldest recorded animal was a 28 year old male 199 centimeters in length.^[4] Mature adult females are larger than males. Sexual dimorphism is expressed after females reach about 150 cm, the female rostrum continues to grow after the male rostrum stops growing, eventually reaching approximately 20 cm longer. Calves have been observed between January and May and do not appear to stay with the mother for more than a few months. Gestation is thought to be approximately 9-10 months. Light from a single point of a distant object and light from a single point of a near object being brought to a focus by changing the curvature of the lens. ... This article is about the visual condition. ... Echolocation, also called Biosonar, is the biological sonar used by several mammals such as bats (although not all species), dolphins and whales (though not baleen whales). ... Dorsal fin of an orca A dorsal fin is a fin located on the backs of fishes, whales, dolphins, and porpoises, as well as the (extinct) ichthyosaurs. ... The metre, or meter (symbol: m) is the SI base unit of length. ... This article is being considered for deletion in accordance with Wikipedias deletion policy. ... Female (left) and male Common Pheasant, illustrating the dramatic difference in both color and size, between the sexes Sexual dimorphism is the systematic difference in form between individuals of different sex in the same species. ...

The species feeds on a variety of shrimp and fish, including carp and catfish. Dolphins are usually encountered on their own or in loose aggregations, they do not form tight obvious interacting groups.

Human interaction

Both subspecies have been very adversely affected by human use of the river systems in the sub-continent. Entanglement in fishing nets can cause significant damage to local population numbers. Some individuals are still taken each year and their oil and meat used as a liniment, as an aphrodisiac and as bait for catfish. Irrigation has lowered water levels throughout both subspecies' ranges. Poisoning of the water supply from industrial and agricultural chemicals may have also contributed to population decline. Perhaps the most significant issue is the building of more than 50 dams along many rivers, causing the segregation of populations and a narrowed gene pool in which dolphins can breed. There are currently three sub-populations of Indus Dolphins considered capable of long-term survival if protected. Image File history File links Size of this preview: 800 Ã— 507 pixelsFull resolution (998 Ã— 633 pixel, file size: 268 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Image File history File links Size of this preview: 800 Ã— 507 pixelsFull resolution (998 Ã— 633 pixel, file size: 268 KB, MIME type: image/jpeg) File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... Download high resolution version (1600x1200, 471 KB)Satellite image of the Ganges plain, showing haze and pollution over Bangladesh and north-eastern India. ... Download high resolution version (1600x1200, 471 KB)Satellite image of the Ganges plain, showing haze and pollution over Bangladesh and north-eastern India. ... In Indian mythology, the vahana is the object or vehicle that serves a divinity. ... According to Hindu mythology, Makara, a mythical creature, is the vahana of Ganga and Varuna. ... This article is about agents which increase sexual desire. ... This article is about the siluriform catfishes; for the Atlantic catfish, see Seawolf (fish); for other uses, see Catfish (disambiguation). ... The gene pool of a species or a population is the complete set of unique alleles that would be found by inspecting the genetic material of every living member of that species or population. ...

Both subspecies are listed by the IUCN as endangered on their Red List of Threatened Species.^[5] The World Conservation Union or International Union for Conservation of Nature and Natural Resources (IUCN) is an international organization dedicated to natural resource conservation. ... The IUCN Red List of Threatened Species (also known as the IUCN Red List and Red Data List), created in 1963, is the worlds most comprehensive inventory of the global conservation status of plant and animal species. ...

The immediate danger for the resident population of P. gangeticus in National Chambal Sanctuary is the decrease in river depth and appearance of sand bars dividing the river course into smaller segments.^[6]

References

Year 2007 (MMVII) was a common year starting on Monday of the Gregorian calendar in the 21st century. ... is the 89th day of the year (90th in leap years) in the Gregorian calendar. ...

External links

Image File history File links Wikispecies-logo. ... Wikispecies is a wiki-based online project supported by the Wikimedia Foundation that aims to create a comprehensive free content catalogue of all species (including animalia, plantae, fungi, bacteria, archaea, and protista). ... Suborders Mysticeti Odontoceti Archaeoceti (extinct) (see text for families) The order Cetacea (IPA: , L. cetus, whale) includes whales, dolphins and porpoises. ... Diversity Around 15 species; see list of cetaceans or below. ... Species Balaena mysticetus Eubalaena australis Eubalaena glacialis Eubalaena japonica Northern Right Whale range Southern Right Whale range The right whales are marine mammals belonging to the family Balaenidae. ... Binomial name Linnaeus, 1758 Bowhead whale range The Bowhead Whale (Balaena mysticetus), also known as Greenland Right Whale or Arctic Whale, is a baleen whale of the right whale family Balaenidae. ... Binomial name Linnaeus, 1758 Bowhead whale range The Bowhead Whale (Balaena mysticetus), also known as Greenland Right Whale or Arctic Whale, is a baleen whale of the right whale family Balaenidae. ... It has been suggested that Balaenidae be merged into this article or section. ... Species Balaena mysticetus Eubalaena australis Eubalaena glacialis Eubalaena japonica Northern Right Whale range Southern Right Whale range The right whales are marine mammals belonging to the family Balaenidae. ... Binomial name Range map. ... Species Balaena mysticetus Eubalaena australis Eubalaena glacialis Eubalaena japonica Northern Right Whale range Southern Right Whale range The right whales are marine mammals belonging to the family Balaenidae. ... Genera Balaenoptera Megaptera Rorquals are the largest group of baleen whales, with nine species in two genera. ... Genera Balaenoptera Megaptera Rorquals are the largest group of baleen whales, with nine species in two genera. ... Finback redirects here. ... Binomial name Balaenoptttera borealis Lesson, 1828 Sei Whale range The Sei Whaile or Say Whale, (Balaenoptera borealis) is a big large baleen whale, and as such is one of the stupiest animals in the world. ... Binomial name Balaenoptera brydei Olsen, 1913 Balaenoptera edeni Anderson, 1879 Brydes Whale range Brydeâ€™s Whales are the least-known and in many ways the most unusual of the rorquals. ... Binomial name Balaenoptera brydei Olsen, 1913 Balaenoptera edeni Anderson, 1879 Brydes Whale range Brydeâ€™s Whales are the least-known and in many ways the most unusual of the rorquals. ... Binomial name (Linnaeus, 1758) Blue Whale range Subspecies B. m. ... Binomial name Lacepede, 1804 Balaenoptera bonaerensis Burmeister, 1867 Minke Whale range Antarctic Minke Whale range Dwarf Minke Whale range The Minke Whale or Lesser Rorqual is a marine mammal belonging to the suborder of baleen whales. ... Binomial name Lacepede, 1804 Balaenoptera bonaerensis Burmeister, 1867 Minke Whale range Antarctic Minke Whale range Dwarf Minke Whale range The Minke Whale or Lesser Rorqual is a marine mammal belonging to the suborder of baleen whales. ... Binomial name Balaenoptera omurai Wada , 2003 Balaenoptera omurai is a species of whale about which almost nothing is known. ... Binomial name Borowski, 1781 Humpback Whale range The Humpback Whale (Megaptera novaeangliae) is a baleen whale. ... Binomial name Borowski, 1781 Humpback Whale range The Humpback Whale (Megaptera novaeangliae) is a baleen whale. ... Binomial name Eschrichtius robustus Lilljeborg, 1861 Gray Whale range The Gray Whale or Grey Whale (Eschrichtius robustus), more recently called the Eastern Pacific Gray Whale, is a whale that travels between feeding and breeding grounds yearly. ... Binomial name Eschrichtius robustus Lilljeborg, 1861 Gray Whale range The Gray Whale or Grey Whale (Eschrichtius robustus), more recently called the Eastern Pacific Gray Whale, is a whale that travels between feeding and breeding grounds yearly. ... Binomial name Eschrichtius robustus Lilljeborg, 1861 Gray Whale range The Gray Whale or Grey Whale (Eschrichtius robustus), more recently called the Eastern Pacific Gray Whale, is a whale that travels between feeding and breeding grounds yearly. ... Binomial name Caperea marginata Gray, 1846 Pygmy Right Whale The Pygmy Right Whale (Caperea marginata) is a baleen whale and as such is a marine mammal of the order Cetacea. ... Binomial name Caperea marginata Gray, 1846 Pygmy Right Whale The Pygmy Right Whale (Caperea marginata) is a baleen whale and as such is a marine mammal of the order Cetacea. ... Binomial name Caperea marginata Gray, 1846 Pygmy Right Whale The Pygmy Right Whale (Caperea marginata) is a baleen whale and as such is a marine mammal of the order Cetacea. ... Families See text. ... Genera See text. ... Binomial name Peponocephala electra (Gray, 1846) Melon-headed Whale range The Melon-headed Whale (Peponocephala electra) is a cetacean of the oceanic dolphin family (Delphinidae). ... Binomial name Peponocephala electra (Gray, 1846) Melon-headed Whale range The Melon-headed Whale (Peponocephala electra) is a cetacean of the oceanic dolphin family (Delphinidae). ... Binomial name Orcinus orca Linnaeus, 1758 Orca range (in blue) The Orca or Killer Whale (Orcinus orca) is the largest species of the oceanic dolphin family (Delphinidae). ... Binomial name Orcinus orca Linnaeus, 1758 Orca range (in blue) The Orca or Killer Whale (Orcinus orca) is the largest species of the oceanic dolphin family (Delphinidae). ... Binomial name Feresa attenuata Gray, 1875 Pygmy Killer Whale range The Pygmy Killer Whale (Feresa attenuata) is a small, rarely-seen cetacean of the oceanic dolphin family (Delphinidae). ... Binomial name Feresa attenuata Gray, 1875 Pygmy Killer Whale range The Pygmy Killer Whale (Feresa attenuata) is a small, rarely-seen cetacean of the oceanic dolphin family (Delphinidae). ... Binomial name (Owen, 1846) False Killer Whale range The False Killer Whale (Pseudorca crassidens) is a cetacean and one of the larger members of the oceanic dolphin family (Delphinidae). ... Binomial name (Owen, 1846) False Killer Whale range The False Killer Whale (Pseudorca crassidens) is a cetacean and one of the larger members of the oceanic dolphin family (Delphinidae). ... Binomial name Globicephala macrorhynchus Gray, 1846 Short-finned Pilot Whale range Globicephala melas Traill, 1809 Long-finned Pilot Whale range CalderÃ³n redirects here. ... Binomial name Globicephala macrorhynchus Short-finned Pilot Whale range Binomial name Globicephala melas Long-finned Pilot Whale range A Pilot Whale is one of two species of cetacean in the genus Globicephala. ... Binomial name Globicephala macrorhynchus Short-finned Pilot Whale range Binomial name Globicephala melas Long-finned Pilot Whale range A Pilot Whale is one of two species of cetacean in the genus Globicephala. ... It has been suggested that this article be split into multiple articles accessible from a disambiguation page. ... It has been suggested that this article be split into multiple articles accessible from a disambiguation page. ... It has been suggested that this article be split into multiple articles accessible from a disambiguation page. ... Northern and Southern Right Whale Dolphin ranges Species Lissodelphis borealis (Peale, 1848) Lissodelphis peronii (LacÃ©pÃ¨de, 1804) The right whale dolphins, the Northern Right Whale Dolphin (Lissodelphis borealis) and the Southern Right Whale Dolphin (Lissodelphis peronii), are two of the easiest cetaceans to identify at sea. ... Binomial name Lissodelphis borealis Northern Right Whale Dolphin range Binomial name Lissodelphis peronii Southern Right Whale Doplhin range The right whale dolphins, the Northern Right Whale Dolphin (Lissodelphis borealis) and the Southern Right Whale Dolphin (Lissodelphis peroni), are two of the easiest cetaceans to identify at sea. ... Binomial name Lissodelphis borealis Northern Right Whale Dolphin range Binomial name Lissodelphis peronii Southern Right Whale Doplhin range The right whale dolphins, the Northern Right Whale Dolphin (Lissodelphis borealis) and the Southern Right Whale Dolphin (Lissodelphis peroni), are two of the easiest cetaceans to identify at sea. ... Binomial name Sotalia fluviatilis (Gervais & Deville, 1853) Tucuxi range The Tucuxi (Sotalia fluviatilis) is a dolphin found both in the rivers of the Amazon Basin and in the coastal waters to the north and east of South America. ... Binomial name Sotalia fluviatilis (Gervais & Deville, 1853) Tucuxi range The Tucuxi (Sotalia fluviatilis) is a dolphin found both in the rivers of the Amazon Basin and in the coastal waters to the north and east of South America. ... Binomial name Osbeck, 1765 Pacific Humpback Dolphin (Chinese White Dolphin) range Sousa plumbea Cuvier, 1829 Indian Humpback Dolphin range Sousa teuszi KÃ¼kenthal, 1892 Atlantic Humpback Dolphin range The Humpback Dolphin is a member of the genus Sousa. ... Binomial name Osbeck, 1765 Pacific Humpback Dolphin (Chinese White Dolphin) range Sousa plumbea Cuvier, 1829 Indian Humpback Dolphin range Sousa teuszi KÃ¼kenthal, 1892 Atlantic Humpback Dolphin range The Humpback Dolphin is a member of the genus Sousa. ... Binomial name Osbeck, 1765 Pacific Humpback Dolphin (Chinese White Dolphin) range Sousa plumbea Cuvier, 1829 Indian Humpback Dolphin range Sousa teuszi KÃ¼kenthal, 1892 Atlantic Humpback Dolphin range The Humpback Dolphin is a member of the genus Sousa. ... Binomial name Osbeck, 1765 Pacific Humpback Dolphin (Chinese White Dolphin) range Sousa plumbea Cuvier, 1829 Indian Humpback Dolphin range Sousa teuszi KÃ¼kenthal, 1892 Atlantic Humpback Dolphin range The Humpback Dolphin is a member of the genus Sousa. ... Species Stenella attenuata Stenella frontalis Stenella longirostris Stenella clymene Stenella coeruleoalba Stenella is a genus in the dolphin family. ... Binomial name Cuvier, 1829 Atlantic Spotted Dolphin range Synonyms Stenella plagiodon Cope, 1866 The Atlantic Spotted Dolphin (Stenella frontalis) is a dolphin found in the Gulf Stream of the North Atlantic Ocean. ... Binomial name Stenella clymene Clymene Dolphin range The Clymene Dolphin (Stenella clymene), in some texts known as the Short-snouted Spinner Dolphin, is dolphin endemic to the Atlantic Ocean. ... Binomial name Stenella attenuata (Gray, 1846) Pantropical Spotted Dolphin range The Pantropical Spotted Dolphin (Stenella attenuata) is a species of dolphin found in all the worlds temperate and tropical oceans. ... Binomial name (Gray, 1828) Spinner Dolphin range The Spinner Dolphin (Stenella longirostris) is a small dolphin found in off-shore tropical waters around the world. ... Binomial name Stenella coeruleoalba (Meyen, 1833) Striped Dolphin range The Striped Dolphin (Stenella coeruleoalba) is an extensively studied dolphin that is found in temperate and tropical waters of all the worlds oceans. ... Binomial name Steno bredanensis Lesson, 1828 Rough-toothed Dolphin range The Rough-toothed Dolphin (Steno bredanensis) is a fairly large dolphin that can be found in deep warm and tropical waters around the world. ... Binomial name Steno bredanensis Lesson, 1828 Rough-toothed Dolphin range The Rough-toothed Dolphin (Steno bredanensis) is a fairly large dolphin that can be found in deep warm and tropical waters around the world. ... Binomial name Montagu, 1821 Bottlenose Dolphin range (in blue) The Bottlenose Dolphin is one of the most common and well-known dolphins. ... Binomial name Montagu, 1821 Bottlenose Dolphin range (in blue) The Bottlenose Dolphin is one of the most common and well-known dolphins. ... Binomial name Montagu, 1821 Bottlenose Dolphin range (in blue) The Bottlenose Dolphin is one of the most common and well-known dolphins. ... Species Cephalorhyncus commersonii Cephalorhyncus eutropia Cephalorhyncus heavisidii Cephalorhyncus hectori Cephalorhynchus is a genus in the Delphinidae (dolphin) family. ... Binomial name Cephalorhynchus eutropia Gray, 1846 Chilean Dolphin range The Chilean Dolphin (Cephalorhynchus eutropia), also known as the Black Dolphin (although this name has fallen out of favour in scientific circles), is one of four dolphins in the Cephalorhynchus genus. ... Binomial name Cephalorhynchus commersonii LacÃ©pÃ¨de, 1804 Commersons Dolphin range Commersons Dolphin (Cephalorhynchus commersonii) is one of four dolphins in the Cephalorhynchus genus. ... Binomial name Cephalorhynchus heavisidii Gray, 1828 Heavisides Dolphin range Heavisides Dolphin (Cephalorhynchus heavisidii) is a small dolphin that is found off the coast of Namibia and the west coast of South Africa. ... Binomial name Van Beneden, 1881 Hectors Dolphin range Hectors Dolphin or White-headed Dolphin (Cephalorhynchus hectori) is the most well-known of the four dolphins in the genus Cephalorhynchus. ... Binomial name (G. Cuvier, 1812) Rissos Dolphin range The Rissos Dolphin (Grampus griseus) is the only species of dolphin in the genus Grampus. ... Binomial name (G. Cuvier, 1812) Rissos Dolphin range The Rissos Dolphin (Grampus griseus) is the only species of dolphin in the genus Grampus. ... Binomial name Lagenodelphis hosei Frasers Dolphin range Frasers Dolphin (Lagenodelphis hosei) is a cetacean in the genus Delphinidae found in deep waters in the Pacific Ocean and to a lesser extent in the Indian and Atlantic Oceans. ... Binomial name Lagenodelphis hosei Frasers Dolphin range Frasers Dolphin (Lagenodelphis hosei) is a cetacean in the genus Delphinidae found in deep waters in the Pacific Ocean and to a lesser extent in the Indian and Atlantic Oceans. ... Species Lagenorhynchus albirostris Lagenorhynchus acutus Lagenorhynchus obliquidens Lagenorhynchus obscurus Lagenorhynchus australis Lagenorhynchus cruciger Lagenorhynchus is a genus in the order cetacea containing six closely related species. ... Binomial name Lagenorhynchus acutus (Gray, 1828) Atlantic White-sided Dolphin range The Atlantic White-sided Dolphin (Lagenorhynchus acutus) is a distinctively coloured dolphin found in the cool to temperate waters of the North Atlantic Ocean. ... Binomial name Lagenorhynchus obscurus Gray, 1828 Dusky Dolphin range The Dusky Dolphin (Lagenorhynchus obscurus) is a highly gregarious and acrobatic dolphin found in coastal waters in the Southern Hemisphere. ... Binomial name (Quoy & Gaimard, 1824) Hourglass Dolphin range by logan gould The Hourglass Dolphin (Lagenorynchus cruciger) is a small dolphin found in Antarctic and sub-Antarctic waters. ... Binomial name Lagenorhynchus obliquidens (Gill, 1865) Pacific White-sided Dolphin range The Pacific White-sided Dolphin (Lagenorynchus obliquidens) is a very active dolphin found in the cool to temperate waters of the North Pacific Ocean. ... Binomial name Lagenorhynchus australis (Peale, 1848) Peales Dolphin range The Peales Dolphin (Lagenorynchus australis) is a small dolphin found in the waters around Tierra del Fuego at the foot of South America. ... Binomial name Lagenorhynchus albirostris (Gray, 1846) White-beaked Dolphin range The White-beaked Dolphin (Lagenorhynchus albirostris) is a marine mammal belonging to the family Delphinidae (dolphins) in the suborder of the Odontoceti, or toothed whales. ... Species Irrawaddy Dolphin () Australian Snubfin Dolphin () The Snubfin Dolphins (Orcaella) are a genus of dolphins, long believed to be monotypic, the only species being the Irrawaddy Dolphin. ... Binomial name Orcaella brevirostris Gray, 1866 Irrawaddy Dolphin range The Irrawaddy Dolphin (Orcaella brevirostris) is a species of dolphin found near coasts and in estuaries in parts of south-east Asia. ... Binomial name Orcaella heinsohni Beasley, Robertson, Arnold, 2005 The Australian Snubfin Dolphin (Orcaella heinsohni) is a recently recognised species of dolphin first described in 2005. ... Families See text. ... Genera Delphinapterus Monodon The cetacean family Monodontidae comprises two unusual whale species, the Narwhal, in which the male has a long tusk, and the white Beluga. ... Binomial name (Pallas, 1776) Beluga range This article is about the whale. ... Binomial name (Pallas, 1776) Beluga range This article is about the whale. ... Binomial name Linnaeus, 1758 Narwhal range (in blue) The Narwhal (Monodon monoceros) is an Arctic species of cetacean. ... Binomial name Linnaeus, 1758 Narwhal range (in blue) The Narwhal (Monodon monoceros) is an Arctic species of cetacean. ... Genera Neophocaena Phocoena - Harbor porpoise Phocoenoides - Dalls porpoise The porpoises are small cetaceans of the family Phocoenidae; they are related to whales and dolphins. ... Binomial name Neophocaena phocaeniodes (G. Cuvier, 1829) Finless Porpoise range The Finless Porpoise (Neophocaena phocaeniodes) is one of six porpoise species. ... Binomial name Neophocaena phocaeniodes (G. Cuvier, 1829) Finless Porpoise range The Finless Porpoise (Neophocaena phocaeniodes) is one of six porpoise species. ... Genera Neophocaena Phocoena - Harbor porpoise Phocoenoides - Dalls porpoise The porpoises are small cetaceans of the family Phocoenidae; they are related to whales and dolphins. ... Binomial name Phocoena phocoena Linnaeus, 1758 Harbour Porpoise range The Harbour Porpoise (Phocoena phocoena) is one of six species of porpoise, and so one of about eighty cetacean species. ... Binomial name Phocoena sinus Norris & McFarland, 1958 Vaquita range The Vaquita (Phocoena sinus) is a rare species of porpoise. ... Binomial name Phocoena dioptrica Lahille, 1912 Spectacled Porpoise range The Spectacled Porpoise (Phocoena dioptrica) is a rarely seen member of the porpoise family. ... Binomial name Phocoena spinipinnis Burmeisters Porpoise range Burmeisters Porpoise (Phocoena spinipinnis) is a species of porpoise endemic to the coast of South America. ... Binomial name (True, 1885) Dalls Porpoise range Dalls Porpoise (Phocoenoides dalli) is a species of porpoise that came to worldwide attention in the 1970s. ... Binomial name (True, 1885) Dalls Porpoise range Dalls Porpoise (Phocoenoides dalli) is a species of porpoise that came to worldwide attention in the 1970s. ... Families and genera Kogiidae Gill, 1871 Kogia Physeteridae Gray, 1821 Physeter The sperm whale family or simply the sperm whales is the collective name given to three species of whale, the Sperm Whale, the Pygmy Sperm Whale and the Dwarf Sperm Whale. ... Binomial name Linnaeus, 1758 Sperm whale range (in blue) The sperm whale (Physeter macrocephalus) is the largest of all toothed whales and is the largest toothed animal alive, with adult males measuring up to 20. ... Binomial name Linnaeus, 1758 Sperm whale range (in blue) The sperm whale (Physeter macrocephalus) is the largest of all toothed whales and is the largest toothed animal alive, with adult males measuring up to 20. ... Families and genera Kogiidae Gill, 1871 Kogia Physeteridae Gray, 1821 Physeter The sperm whale family or simply the sperm whales is the collective name given to three species of whale, the Sperm Whale, the Pygmy Sperm Whale and the Dwarf Sperm Whale. ... Families and genera Kogiidae Gill, 1871 Kogia Physeteridae Gray, 1821 Physeter The sperm whale family or simply the sperm whales is the collective name given to three species of whale, the Sperm Whale, the Pygmy Sperm Whale and the Dwarf Sperm Whale. ... Binomial name Blainville, 1838 Pymgy Sperm Whale range The Pygmy Sperm Whale (Kogia breviceps) is one of three species of toothed whale in the sperm whale family. ... Binomial name Kogia sima Owen, 1866 Dwarf Sperm Whale range The Dwarf Sperm Whale (Kogia sima) is one of three species of whale in the sperm whale family. ... Genera Berardius Hyperoodon Indopacetus Mesoplodon Tasmacetus Ziphius A beaked whale is any of at least 20 species of small whale in the family Ziphiidae. ... Binomial name Berardius arnuxii Duvernoy, 1851 Arnouxs Beaked Whale range Berardius bairdii Stejneger, 1883 Bairds Beaked Whale range The genus Berardius contains two species of beaked whale, Bairds Beaked Whale and Arnouxs Beaked Whale. ... Binomial name Berardius arnuxii Duvernoy, 1851 Arnouxs Beaked Whale range Berardius bairdii Stejneger, 1883 Bairds Beaked Whale range The genus Berardius contains two species of beaked whale, Bairds Beaked Whale and Arnouxs Beaked Whale. ... Binomial name Berardius arnuxii Duvernoy, 1851 Arnouxs Beaked Whale range Berardius bairdii Stejneger, 1883 Bairds Beaked Whale range The genus Berardius contains two species of beaked whale, Bairds Beaked Whale and Arnouxs Beaked Whale. ... It has been suggested that this article be split into multiple articles accessible from a disambiguation page. ... It has been suggested that this article be split into multiple articles accessible from a disambiguation page. ... It has been suggested that this article be split into multiple articles accessible from a disambiguation page. ... Binomial name Indopacetus pacificus Longman, 1926 Longmans Beaked Whale range Longmans Beaked Whale, commonly also called the Indo-Pacific Beaked Whale either has the specific name Indopacetus pacificus or Mesoplodon pacificus, depending whether the animal is classified as a mesoplodont whale or not. ... Binomial name Indopacetus pacificus Longman, 1926 Longmans Beaked Whale range Longmans Beaked Whale, commonly also called the Indo-Pacific Beaked Whale either has the specific name Indopacetus pacificus or Mesoplodon pacificus, depending whether the animal is classified as a mesoplodont whale or not. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... Binomial name Mesoplodon bowdoini Andrews, 1908 Andrews Beaked Whale (Mesoplodon bowdoini), sometimes known as the Deep-crest Beaked Whale or Splay Toothed Whale, is one of the most poorly known members of a poorly known genus. ... Binomial name Mesoplodon carlshubbi Sowerby, 1963 Hubbs Beaked Whale (Mesoplodon carlshubbi) was initially thought to be an Andrews Beaked Whale when discovered by icthyologist Carl Hubbs, however it was named in his honor when it was discovered to be a new species. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... Binomial name Mesoplodon grayi von Haast, 1876 Grays Beaked Whale (Mesoplodon grayi), sometimes known as Haasts Beaked Whale or the Scamperdown Whale is one better known members of the genus Mesoplodon. ... Binomial name Mesoplodon hectori Gray, 1871 Hectors Beaked Whale (Mesoplodon hectori) is a small Mesoplodont living in the Southern Hemisphere. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... Binomial name Mesoplodon peruvianus Reyes, Mead, and Van Waerebeek, 1991 Pygmy Beaked Whale range The Pygmy Beaked Whale (Mesoplodon peruvianusquailsouthafricanbushmanius), also known as the Peruvian Beaked Whale and Lesser Beak Whale, is the smallest of the Mesoplodonts and one of the newest discoveries. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... Species See text The mesoplodont whales are the fourteen species of whale that make up the genus Mesoplodon, making it the single largest genus in the cetacean order. ... Binomial name Tasmacetus shepherdi Oliver, 1937 Shepherds Beaked Whale range Shepherds Beaked Whale (Tasmacetus shepherdi) also commonly called the Tasman Beaked Whale or simply the Tasman Whale is a cetacean of the family Ziphidae. ... Binomial name Tasmacetus shepherdi Oliver, 1937 Shepherds Beaked Whale range Shepherds Beaked Whale (Tasmacetus shepherdi) also commonly called the Tasman Beaked Whale or simply the Tasman Whale is a cetacean of the family Ziphidae. ... Binomial name Ziphius cavirostris G. Cuvier, 1823 Cuviers Beaked Whale range Cuviers Beaked Whale is the most widely distributed of all the beaked whales. ... Binomial name Ziphius cavirostris G. Cuvier, 1823 Cuviers Beaked Whale range Cuviers Beaked Whale is the most widely distributed of all the beaked whales. ... Binomial name Blainville, 1817 Boto range The Boto, Boutu, Amazon River Dolphin or Pink River Dolphin[1] (Inia geoffrensis) is a freshwater river dolphin endemic to the Amazon River and Orinoco River systems. ... Binomial name Blainville, 1817 Boto range The Boto, Boutu, Amazon River Dolphin or Pink River Dolphin[1] (Inia geoffrensis) is a freshwater river dolphin endemic to the Amazon River and Orinoco River systems. ... Binomial name Blainville, 1817 Boto range The Boto, Boutu, Amazon River Dolphin or Pink River Dolphin[1] (Inia geoffrensis) is a freshwater river dolphin endemic to the Amazon River and Orinoco River systems. ... For other uses, see Baiji (disambiguation). ... For other uses, see Baiji (disambiguation). ... For other uses, see Baiji (disambiguation). ... Binomial name Pontoporia blainvillei Gervais & dOrbigny, 1844 La Plata Dolphin range The La Plata Dolphin (Pontoporia blainvillei) is found in coastal Atlantic waters of southeastern South America. ... Binomial name Pontoporia blainvillei Gervais & dOrbigny, 1844 La Plata Dolphin range The La Plata Dolphin (Pontoporia blainvillei) is found in coastal Atlantic waters of southeastern South America. ... Binomial name Pontoporia blainvillei Gervais & dOrbigny, 1844 La Plata Dolphin range The La Plata Dolphin (Pontoporia blainvillei) is found in coastal Atlantic waters of southeastern South America. ...

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