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Encyclopedia > Spawning
Frog spawn
Frog spawn

Spawning is the production or depositing of eggs in large numbers by aquatic animals. Close-up of frogspawn. ... Close-up of frogspawn. ... Suborders Archaeobatrachia Mesobatrachia Neobatrachia - Full list of families Frog is the common name for amphibians in the order Anura. ... An average Whooping Crane egg is 102 mm long, and weighs 208 grams A baby tortoise emerges from a reptile egg. ... Look up aquatic in Wiktionary, the free dictionary. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anenomes) Placozoa (trichoplax) Subregnum Bilateria (bilateral symmetry) Acoelomorpha (basal) Orthonectida (flatworms, echinoderms, etc. ...

Contents


Types of Egg-Layers

  • Egg Scatters
  • Next Builders
  • Egg Hangers
  • Mouth Breeders
  • Egg Buriers

Spawn Cycle

Egg

An egg sac or collection can be called a 'redd' as in 'salmon redd' for the eggs attached to the stream bottom. Look up egg in Wiktionary, the free dictionary. ...


Alevin

A newly-hatched fish in the larval stage, one which has not yet emerged from the nesting area. Alevins will have a noticeable yolk sac, and need this yolk sac while their digestive systems are developing. At this stage, the fish are not prepared to hunt live prey, and are completely dependent on the yolk sacs. Groups Conodonta Hyperoartia Petromyzontidae (lampreys) Pteraspidomorphi (early jawless fish) Thelodonti Anaspida Cephalaspidomorphi (early jawless fish) Galeaspida Pituriaspida Osteostraci Gnathostomata (jawed vertebrates) Placodermi Chondrichthyes (cartilaginous fish) Acanthodii Osteichthyes (bony fish) Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish) Actinistia (coelacanths) Dipnoi (lungfish) A fish is a poikilothermic (cold-blooded) water-dwelling... A larva (Latin; plural larvae) is a juvenile form of animal with indirect development, undergoing metamorphosis (for example, insects or amphibians). ... The egg yolk is the yellow inside an egg. ... For the Physics term GUT, please refer to Grand unification theory The gastrointestinal or digestive tract, also referred to as the GI tract or the alimentary canal or the gut, is the system of organs within multicellular animals which takes in food, digests it to extract energy and nutrients, and...


Fry

A fry is a recently-hatched fish, but one which has fully absorbed its yolk sac and can now hunt and consume live food.


Parr

A parr is a juvenile fish, one preparing to leave the fresh waters of its home. For the village on the Isle of Wight, see Freshwater, Isle of Wight. ...


Smolt

A smolt is a juvenile fish. This is the stage where Salmonid grow scales and begin their trek to their salt water environment. In most biological nomenclature, a scale (Greek lepid) is a small rigid plate that grows out of an animals skin to provide protection. ... Salt water may refer to: Saltwater, the name of a single released by UK electronic musician Chicane For information on water from a sea or ocean, see sea water For information on the concept of saltiness of a body of water, see salinity For information on salt water aquariums, see...


Grilse

A young fish which is returning to its spawning grounds at a very young age.


See also


  Results from FactBites:
 
Spawning (1162 words)
spawning fish but we do feed the pair in the morning if they have not started the spawning process.
The spawning pair is left alone we have found the less they are disturbed the better the spawning
come out of the spawning tank in the same condition as when they were put in.
SRP - Spawning (1194 words)
Spawning gravel size may range from fine gravel to coarse rubble, but the amount of fine sediment is important.
When ready to spawn, the female salmon swims over the depression she has created for the nest and arches her body downward to gain close contact with the remaining gravel within the depression.
Quantity of spawning habitat required by one female may be quite large and is dependent on body size and the number of nests built.
  More results at FactBites »


 

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