mackerel Snapper Snipe eel Snipefish Snook Snubnose eel Snubnose parasitic eel Sockeye salmon Soldierfish Sole South American darter South American lungfish Southern Dolly Varden Southern flounder Southern hake Southern sandfish Southern smelt Spadefish Spaghetti eel Spanish mackerel Spearfish Speckled trout Spiderfish Spikefish Spinefoot Spiny basslet Spiny dogfish Spiny dwarf catfish Spiny eel Spinyfin Splitfin Spookfish Spotted climbing perch Spotted danio Spottail pinfish Sprat Springfish Squarehead catfish Squaretail Squawfish (disambiguation) Squeaker Squirrelfish Staghorn sculpin Stargazer Starry flounder Steelhead Stickleback Stingfish Stingray Stonecat Stonefish Stoneroller minnow Stream catfish Striped bass Striped burrfish Sturgeon Sucker Suckermouth armored catfish Summer flounder Sundaland noodlefish Sunfish Surf sardine Surfperch Surgeonfish Swallower Swamp-eel Swampfish Sweeper Swordfish Swordtail T Tadpole cod Tadpole fish Tailor Taimen Tang Tapetail Tarpon Tarwhine Telescopefish Temperate bass Temperate ocean-bass Temperate perch Tench Tenpounder Tenuis Tetra Thorny catfish Thornfish Threadfin Threadfin bream Thread-tail Three spot gourami Threespine stickleback Three-toothed puffer Thresher shark Tidewater goby Tiger barb Tigerperch Tiger shark Tiger shovelnose catfish Tilapia Tilefish Titan triggerfish Toadfish Tommy ruff Tompot blenny Tonguefish Tope Topminnow Torpedo Torrent catfish Torrent fish Trahira Treefish Trevally Triggerfish Triplefin blenny Triplespine Tripletail Tripod fish Trout Trout cod Trout-perch Trumpeter Trumpetfish Trunkfish Tubeblenny Tube-eye Tube-snout Tubeshoulder Tui chub Tuna Turbot Two spotted goby U Uaru Unicorn fish Upside-down catfish V Vanjaram Velvet belly lanternshark Velvet catfish Velvetfish Vendace Vermilion snapper Vimba Viperfish W Wahoo Walking catfish Wallago Walleye Walleye pollock Walu Warmouth Warty angler Waryfish Waspfish Weasel shark Weatherfish Weever Weeverfish Wels catfish Whale catfish Whalefish Whale shark Whiff Whitebait White croaker Whitefish White marlin White shark Whitetip reef shark Whiting Wobbegong Wolf-eel Wolffish Wolf-herring Worm eel Wormfish Wrasse Wrymouth X X-ray tetra Y Yellow-and-black triplefin Yellowback fusilier Yellowbanded perch Yellow bass Yellowedge grouper Yellow-edged moray Yellow-eye mullet Yellowhead jawfish Yellowfin croaker Yellowfin cutthroat trout Yellowfin grouper Yellowfin tuna Yellowfin pike Yellowfin surgeonfish Yellowfin tuna Yellow jack Yellowmargin triggerfish Yellow moray Yellow perch Yellowtail Yellowtail amberjack Yellowtail barracuda Yellowtail clownfish Yellowtail horse mackerel Yellowtail kingfish Yellowtail snapper Yellow tang Yellow weaver Yellowtail catfish Z Zander Zebra bullhead shark Zebra danio Zebrafish Zebra lionfish Zebra loach Zebra oto Zebra pleco Zebra shark Zebra tilapia Zebra turkeyfish Ziege Zingel See also List of aquarium fish by scientific name List of freshwater aquarium fish species Diversity of fish .