The following outline is provided as an overview of and topical guide to fish:

Fish – any member of a paraphyletic group of organisms that consist of all gill-bearing aquatic craniate animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish, as well as various extinct related groups. Most fish are ectothermic ("cold-blooded"), allowing their body temperatures to vary as ambient temperatures change, though some of the large active swimmers like white shark and tuna can hold a higher core temperature.[1][2] Fish are abundant in most bodies of water. They can be found in nearly all aquatic environments, from high mountain streams (e.g., char and gudgeon) to the abyssal and even hadal depths of the deepest oceans (e.g., cusk-eel and snailfish). At 32,000 species, fish exhibit greater species diversity than any other group of vertebrates.[3]

What type of things are fish?

Fish can be described as all of the following:

Types of fish

History of fish

Fish biology

Fish anatomy

Fish anatomy

Fish reproduction

Fish reproduction

Fish locomotion

Fish locomotion

Fish behavior

Fish habitats

Fish as a resource

Fish conservation

Fish conservation

People influential in relation to fish

See also

References

  1. ↑ Goldman, K.J. (1997). "Regulation of body temperature in the white shark, Carcharodon carcharias". Journal of Comparative Physiology. B Biochemical Systemic and Environmental Physiology. 167 (6): 423–429. doi:10.1007/s003600050092. S2CID 28082417. Archived from the original on 6 April 2012. Retrieved 12 October 2011.
  2. ↑ Carey, F.G.; Lawson, K.D. (1 February 1973). "Temperature regulation in free-swimming bluefin tuna". Comparative Biochemistry and Physiology A. 44 (2): 375–392. doi:10.1016/0300-9629(73)90490-8. PMID 4145757.
  3. ↑ FishBase: February 2011 Update. Retrieved 24 May 2011.
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