Editing Fish

{{Era|Animals}}{{WP-REAL}}
{{Imageneed}}
[[File:ACBF Underwater Ruin.jpg|thumb|250px|Fish swimming around underwater.]]
'''Fish''' are aquatic vertebrate animals<ref name="Levinton 2014">Levinton, Jeffrey S. (2014) "Marine Vertebrates and Other Nekton". ''Marine Biology: Function, Biodiversity, Ecology''. 4th ed. Oxford: Oxford University Press, pp. 162–197.</ref><ref name="Castro & Huber 2013">Castro, Peter and Huber, Michael. (2013) "Marine Fishes". ''Marine Biology''. 9th ed. New York: McGraw-Hill, pp. 150–176.</ref> commonly defined by the presence of a {{wiki|craniate|cranium}},<ref name="Merriam-Webster">"[https://www.merriam-webster.com/dictionary/fish Fish]". ''Merriam-Webster.com Dictionary''. Merriam-Webster, Inc. Accessed 18 January 2013.</ref><ref name="UC Berkeley">"[https://evolution.berkeley.edu/fisheye-view-tree-of-life/what-is-a-fish/ A Fisheye View of the Tree of Life – What is a fish?]". ''Understanding Evolution''. University of California Museum of Paleontology. Accessed 18 January 2023.</ref> fins for locomotion in place of limbs,<ref name="Levinton 2014" /><ref name="UH Mānoa">"What is a Fish?". ''Exploring Our Fluid Earth''. University of Hawaii at Mānoa. Accessed 18 January 2023.</ref> and {{wiki|gill}}s to breathe underwater.<ref name="UH Mānoa" /> 

Of all vertebrates, they are the oldest, most structurally simple, and most wide-ranging in terms of species,<ref name="Castro & Huber 2013" /> with 24,000 to at least 30,000 known to [[human]]s.<ref name="Castro & Huber 2013" /><ref name="Levinton 2014" /> Because of their ubiquity to marine ecosystems,<ref name="Levinton 2014" /> they are the most economically significant aquatic life-form and are a vital food source for millions of people around the [[Earth|world]].<ref name="Castro & Huber 2013" /> Despite challenges to classifying such a diverse group,<ref name="Castro & Huber 2013" /> they are traditionally divided into {{wiki|Chondrichthyes|cartilaginous fishes}}, which have skeletons made of cartilage;<ref name="Levinton 2014" /><ref name="Castro & Huber 2013" /> {{wiki|Osteichthyes|bony fishes}}, which have true bony skeletons;<ref name="Levinton 2014" /><ref name="Castro & Huber 2013" /> and {{wiki|Agnatha|jawless fishes}}, which are the most primitive of fishes but are rejected as vertebrates by some scientists.<ref name="Castro & Huber 2013" /><ref name="UC Berkeley" /> [[Shark]]s are a prominent group of cartilaginous fishes.<ref name="Castro & Huber 2013" />

==Cartilaginous fishes==
<gallery captionalign="center" position="center" spacing="small" widths="180">
AC4DB - Bull Shark.png|link=Bull shark|'''[[Bull shark]]'''<br>''{{c|Carcharhinus leucas}}''
ACOD manta ray.jpg|link=Manta Ray|'''[[Manta ray|Giant oceanic manta ray]]'''<br>''{{c|Mobula birostris}}''
ACOd-shark.jpg|link=Great white shark|'''[[Great white shark]]'''<br>''{{c|Carcharodon carcharias}}''
AC4DB - Hammerhead Shark.png|link=Hammerhead shark|'''[[Hammerhead shark]]'''<br>''{{c|Sphyrnidae}}''
</gallery>

==Bony fishes==
<gallery captionalign="center" position="center" spacing="small" widths="180">
Wiki noimage.jpg|'''Acadian redfish'''<br>''{{c|Sebastes fasciatus}}''
Wiki noimage.jpg|'''Allis Shad'''<br>''{{c|Alosa alosa}}''
Wiki noimage.jpg|'''Arctic char'''<br>''{{c|alvelinus alpinus}}''
BonitoACP.png|'''Atlantic bonito'''<br>''{{c|Sarda sarda}}''
Wiki noimage.jpg|'''Atlantic Cod'''<br>''{{c|Gadus morhua}}''
GoliathGrouperACP.png|'''Atlantic goliath grouper'''<br>''{{c|Epinephelus itajara}}''
Wiki noimage.jpg|'''Atlantic Halibut'''<br>''{{c|Hippoglossus hippoglossus}}''
Wiki noimage.jpg|'''Atlantic Mackerel'''<br>''{{c|Scomber scombrus}}''
Wiki noimage.jpg|'''Atlantic Pollock'''<br>''{{c|Pollachius pollachius}}''
Wiki noimage.jpg|'''Atlantic salmon'''<br>''{{c|Salmo salar}}''
Wiki noimage.jpg|'''Atlantic sturgeon'''<br>''{{c|Acipenser oxyrinchus oxyrinchus}}''
TrumpetfishACP.png|'''Atlantic trumpetfish'''<br>''{{c|Aulostomus strigosus}}''
BlueTangACP.png|'''Blue Tang'''<br>''{{c|Paracanthurus hepatus}}''
Wiki noimage.jpg|'''Bream'''<br>''{{c|Abramis brama}}''
Wiki noimage.jpg|'''Brown bullhead'''<br>''{{c|Ameiurus nebulosus}}''
Wiki noimage.jpg|'''Brown Trout'''<br>''{{c|Salmo trutta}}''
Wiki noimage.jpg|'''Burbot'''<br>''{{c|Lota lota}}''
Wiki noimage.jpg|'''European Eel'''<br>''{{c|Anguilla anguilla}}''
Wiki noimage.jpg|'''grey trout'''<br>''{{c|Salvelinus namaycush}}''
Wiki noimage.jpg|'''Haddock'''<br>''{{c|Melanogrammus aeglefinus}}''
HoneycombCowfishACP.png|'''Honeycomb cowfish'''<br>''{{c|Acanthostracion polygonius}}''
AC4DB - Moray Eel.png|link=Moray eel|'''[[Moray eel|Green moray Eel]]'''<br>''{{c|Gymnothorax funebris}}''
NassauGrouperACP.png|'''Nassau grouper'''<br>''{{c|Epinephelus striatus}}''
OceanSurgeonfishACP.png|'''Ocean Surgeon'''<br>''{{c|Acanthurus bahianus}}''
ACOD Fresh Fish.png|'''Sardine'''<br>''{{c|Sardina pilchardus}}''
SergeantMajorACP.png|'''Sergeant Major'''<br>''{{c|Abudefduf saxatilis)}}''
Wiki noimage.jpg|'''Silver Hake'''<br>''{{c|Merluccius bilinearis}}''
ACV Swordfish.png|link=Swordfish (great sword)|'''[[Swordfish (great sword)|Swordfish]]'''<br>''{{c|Xiphias gladius}}''
Wiki noimage.jpg|'''Turbot Flatfish'''<br>''{{c|Scophthalmus maximus}}''
Wiki noimage.jpg|'''Yellow perch'''<br>''{{c|Perca flavescens}}''
</gallery>

==Appearances==
*''[[Assassin's Creed IV: Black Flag]]''
*''[[Assassin's Creed: Rogue]]''
*''[[Assassin's Creed: Valhalla]]''

==References==
{{Reflist}}
[[Category:Animals]]