The Queen Danio (Devario regina) is a tropical fish belonging to the minnow family (Cyprinidae). Originating in India, Myanmar, Thailand, northwestern Malaya, and the Mekong basin, this fish is sometimes found in community tanks by fish keeping hobbyists. It grows to a maximum length of 3.1 inches (7.8 cm). The conservation status of a species is an indicator of the likelihood of that species continuing to survive. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascideiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders See text The Actinopterygii are the ray-finned fish. ... Families Suborder Cobitoidea     Balitoridae (hillstream loaches)     Catostomidae (suckers)     Cobitidae (loaches)     Gyrinocheilidae (algae eaters) Suborder Cyprinoidea     Cyprinidae (carps and minnows) The Cypriniformes are an order of ray-finned fish, including the minnows and some related families. ... Genera (many, see text) The family Cyprinidae, named after the Greek word for goldfish, consists of the carps and minnows. ... Species Brachydanio Brachydanio jayarami Brachydanio sondhii Danio Danio kerri (Turquoise Danio) Danio nigrofasciatus (Spotted Danio) Danio aequipinnatus (Giant Danio) Danio albolineatus (Pearl Danio) Danio devario (Bengal Danio) Danio malabaricus (Malabar Danio) Danio regina (Queen Danio) Danio rerio (Zebra Danio) The Danios are small minnow-type fish belonging to the family... In biology, binomial nomenclature is a standard convention used for naming species. ... 1934 was a common year starting on Monday (link will take you to calendar). ... The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the two tropics: the Tropic of Cancer in the north and the Tropic of Capricorn in the southern hemisphere. ... hey ryan ... Genera (many, see text) The family Cyprinidae, named after the Greek word for goldfish, consists of the carps and minnows. ... The Federation of Malaya, or in Malay Persekutuan Tanah Melayu, was formed in 1948 from the British settlements of Penang and Malacca and the nine Malay states and replaced the Malayan Union. ... View of the Mekong before the sunset The Mekong is one of the worlds major rivers. ... Mid-19th century tool for converting between different standards of the inch An inch is an Imperial and U.S. customary unit of length. ... A centimetre (American spelling: centimeter, symbol: cm) is an SI unit of length. ...

In the wild, the Queen Danio is found in fast moving rivers with sandy bottoms in a tropical climate and prefer water with an ideal temperature range of 73 - 77 °F (23 - 25 °C). Their diet consists of worms, small crustaceans and insects. The Queen Danio is an egglayer. The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the two tropics: the Tropic of Cancer in the north and the Tropic of Capricorn in the southern hemisphere. ... Fahrenheit is a temperature scale named after the German physicist Gabriel Fahrenheit (1686–1736), who proposed it in 1724. ... The degree Celsius (°C or ℃ (Unicode 0x2103)) is a unit of temperature named after the Swedish astronomer Anders Celsius (1701–1744), who first proposed a similar system in 1742. ... WORM means Write Once, Read Many. ... Classes Class Branchiopoda Subclass Phyllopoda Subclass Sarsostraca Class Remipedia Order Enantiopoda Order Nectiopoda Class Cephalocarida Order Brachypoda Class Maxillopoda Subclass Mystacocarida Subclass Copepoda Subclass Branchiura Subclass Pentastomida Subclass Tantulocarida Subclass Thecostraca Infraclass Cirripedia Class Ostracoda Order Metacopina Subclass Myodocopa Subclass Podocopa Class Malacostraca Subclass Eumalacostraca Subclass Hoplocarida Subclass Phyllocarida The... Classes & Orders Subclass: Apterygota Orders Archaeognatha (Bristletails) Thysanura (Silverfish) Monura - extinct Subclass: Pterygota Orders Ephemeroptera (mayflies) Odonata (dragonflies and damselflies) Diaphanopteroidea - extinct Palaeodictyoptera - extinct Megasecoptera - extinct Archodonata - extinct Infraclass: Neoptera Orders Blattodea (cockroaches) Isoptera (termites) Mantodea (mantids) Dermaptera (earwigs) Plecoptera (stoneflies) Orthoptera (grasshoppers, etc) Phasmatodea (walking sticks) Embioptera (webspinners) Zoraptera...

See also

• List of freshwater aquarium fish species

A vast number of species of fish have been successfully kept in the home aquarium. ...

References

• "Devario regina". FishBase. Ed. Ranier Froese and Daniel Pauly. August 2004 version. N.p.: FishBase, 2004.