Editing Actinopterygii (section)

==Body shapes and fin arrangements==
{{Further|Fish fin|Diversity of fish}}
Ray-finned fish vary in size and shape, in their feeding specializations, and in the number and arrangement of their ray-fins.

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|File:Bluefin-big.jpg|[[Tuna]] are streamlined for straight line speed with a [[Caudal fin|deeply forked tail]]
|File:Swordfish (Duane Raver).png|The [[swordfish]] is even faster and more streamlined than the tuna
|File:Salmo salar.jpg|[[Salmon]] generate enough thrust with their [[Caudal fin|tail fin]] to jump obstacles during river migrations
|File:Atlantic cod.jpg|[[Cod]] have three [[Dorsal fin|dorsal]] and two [[anal fin]]s, which give them great maneuverability
|File:Ancylopsetta dilecta 2.jpg|[[Flatfish]] have developed partially symmetric [[Dorsal fin|dorsal]] and [[pelvic fin]]s
|File:Anableps anableps2.jpg|The four-eyed fish ''[[Anableps anableps]]'' can see both below and above the water surface
|File:Diaphus metopoclampus.jpg|[[Lanternfish]]
|File:Gonostoma elongatum.jpg|[[Gonostoma|Elongated bristlemouth]]
|File:Anoplogaster cornuta 2.jpg|[[Fangtooth]] are indifferent swimmers who try to ambush their prey
|File:Melanocetus johnsonii.jpg|The first spine of the dorsal fin of [[anglerfish]] is modified like a fishing rod with a lure
|File:Beryx decadactylus.jpg|[[Alfonsino]]
|File:Polypterus bichir (cropped).jpg|[[Bichirs]] and their relatives in the order Polypteriformes are sister to all other extant ray-fins; they possess lungs
|File:King of herrings.png|[[Giant oarfish]]
|File:Conger conger Gervais.jpg|[[European conger]] are ray-finned fish
|File:FMIB 42560 Pterois sphex Jordan & Evermann; from the type 2.jpeg|[[Hawaiian turkeyfish]]
|File:Ogcocephalus notatus Castelnau.jpg|The [[benthic]] [[Ogcocephalidae|batfish]] ''[[Ogcocephalus notatus]]''
|File:Saccopharynx.JPG|The [[deep sea]] [[eel]] ''[[Saccopharynx ampullaceus]]''
|File:Campylomormyrus curvirostris (Boulenger, 1898).jpg|The [[Mormyridae|freshwater elephant fish]] ''[[Campylomormyrus|Campylomormyrus curvirostris]]''
|File:Acipenser oxyrhynchus (edit).png|The [[sturgeon]] ''[[Atlantic sturgeon|Acipenser oxyrhynchus]]'' has a [[cartilaginous]] [[endoskeleton]]
|File:Belone belone1.jpg|The [[ambush predator]] [[needlefish]] ''[[Belone belone]]''
|File:Seahorse-col.svg|[[Seahorse]]s are in the [[Syngnathidae|extended pipefish family]]
|File:Mirror dory.png|[[Mirror dory]]
|File:Coryphaena hippurus.png|[[Mahi-mahi]]
|File:Exocoetus obtusirostris.jpg|The "[[flying fish]]" ''[[Exocoetus obtusirostris]]'' has specialized [[pectoral fins]] for gliding
|File:Momol u0.gif|The hoodwinker sunfish ''[[Mola tecta]]'' has no [[caudal fin]]
|File:Leedsichthys problematicus.jpg|The [[Jurassic]] {{extinct}}''[[Leedsichthys]]'' was a [[filter-feeder]] and the largest ray-finned fish to have ever lived
|File:Lactoria fornasini1.jpg|''[[Lactoria fornasini]]'' is a poisonous species of [[boxfish]]
|File:Lepisosteus platostomus drawing.jpg|[[Gar]]s (along with the [[bowfin]]) are the only surviving members of the [[Holostei]]
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