Amphibians Arachnids Birds Cnidaria Crustaceans Dinosaurs Domestic Cat Breeds Domestic Dog Breeds Elements Fish Health Insects Mammalia Mathematics Mollusks Plants Reptiles Theories Tunicates

Achilles Tang Afra cichlid African Catfish African tetra Alabama cavefish Alaska Blackfish Alert pigfish Alewife Alfonsino Altolamprologus Ambloplites American eel American pickerel American shad American Sole Anchovy Angelfish Angular roughshark Anomalochromis thomasi Anostomidae Antarctic butterfish Antarctic Cod Antarctic dragonfish Antipodocottus megalops Aphyonidae Apistidae Apistogramma Arctic Char Arctic grayling Argentina elongata Ariidae Armless Flounder Atlantic Bonito Atlantic Goliath Grouper Atlantic herring Atlantic Horse Mackerel Atlantic menhaden Atlantic pomfret Atlantic Salmon Atlantic Saury Atlantic sharpnose shark Atlantic Silverside Atlantic stingray Atlantic Sturgeon Aulonocara Auratus cichlid Australian Anchovy Australian Herring Australian salmon Ayu Bala shark Balbo sabretooth Ballan Wrasse Ballyhoo Banded bellowsfish Banded butterflyfish Banded Killifish Banded sunfish Banjo catfish Barbonymus Barramundi Basking shark Bathylagus antarcticus Beluga Sturgeon Big-eyed cardinalfish Big-scale pomfret Bigeye scad Bigeye thresher Bigeye trevally Bighead Carp Bight stinkfish Bigmouth buffalo Bignose shark Bignose Unicornfish Bitterling Black bass Black Bullhead Black dogfish Black Ghost knifefish Black Moor Black neon tetra Black phantom tetra Black ruby barb Black Swallower Black triggerfish Blackbelly lanternshark Blackline rasbora Blacktip Grouper Blacktip reef shark Blacktip shark Blind Shark Blue bream Blue Catfish Blue Danio Blue Dot Triplefin Blue morwong Blue runner Blue shark Blue sucker Blue Tang Blue triggerfish Bluecheek butterflyfish Bluegill Bluegill Bluespotted ribbontail ray Bluespotted stingray Bluestreak Cardinalfish Blunt-jawed Elephantnose Blunthead cichlid Bluntsnout smooth-head Boarfish Bobtail snipe eel Boga Bonytail Chub Bowfin Bramble shark Bronze corydoras Bronze whaler Brook Trout Brown Bullhead Brown-marbled Grouper Bubble Eye goldfish Bull shark Bulls-eye cardinalfish Burbot Butterfly Perch Calico goldfish California Halibut Camouflage Grouper Canary Rockfish Cape conger Cardinalfish Caribbean reef shark Carp bream Cave tetra Celestial Pearl Danio Chaenopsidae Chain pickerel Chalinochromis Channel catfish Cherry barb Chub Clinid Clown loach Clown triggerfish Combtooth blenny Comet goldfish Common Barbel Common Bleak Common carp Common conger Common Dace Common goldfish Common Hatchetfish Common Nase Convict cichlid Cookiecutter shark Coral Trout Corydoras semiaquilus Crappie Crested flounder Crevalle jack Crucian carp Cui-ui Death Valley pupfish Devil’s Hole pupfish Dionda Dogteeth tetra Double anglers Doublespotted queenfish Dragonet Driftwood catfish Dusky Grouper Dusky shark Dwarf Loach Echiodon rendahli Ectodus descampsii Electric eel Electric yellow cichlid Eulachon Eurasian minnow European bullhead European conger European eel European Perch European sea sturgeon European sprat Exoglossum Fairy cichlid Fanfin Fangtooth Fantail goldfish Flabby whalefish Flagfish Flashlight fish Flathead catfish Fleshfish Flier Flying fish Flying Gurnard Four-eyed fish Foureye butterflyfish Fourspot butterflyfish Freshwater butterflyfish Frilled shark Galapagos shark Galaxiid Garibaldi damselfish Giant Danio Giant Grenadier Giant Grouper Giant snakehead Gila Gila Trout Glass Catfish Glowlight danio Gold barb Golden shiner Golden trevally Golden Trout Goldribbon Soap Fish Gopher Rockfish Graceful shark Graham's gudgeon Grass carp Gray reef shark Grayling Greasy Grouper Great Barracuda Greater argentine Green Neon Tetra Green sunfish Green sunfish Green Swordtail Greeneye Greenland shark Grey Bichir Grey brotula Grey triggerfish Grunion Gulf Menhaden Gulf Saratoga Gulper shark Haddock Hairlip brotula Halfmoon triggerfish Hamlet Hardyhead silverside Harlequin Rasbora Hawkfish Hemirhamphodon Herring cichlid Hillstream loach Himantura kittipong Horn Shark Horseface loach Huchen Humpback Grouper Icefish Ide Indian glassy fish Jack Dempsey Jackass morwong Japanese gissu Jewel cichlid John Dory Julidochromis Kenyi cichlid Keyhole cichlid Kingcroakers Kitefin shark Knifetooth dogfish Knightia Koheru Krøyer's deep sea angler fish Kribensis Kuhli loach Kutum Labeotropheus Lake Trout Lamprologus Lancetfish Lanternbellies Largemouth bass Leatherjacket Fish Lemon shark Lemon tetra Leopard Shark Lined Sole Lingcod Little conger eel Livingston’s cichlid Loach minnow Long-tailed thresher shark Longear sunfish Longfin African conger Longhorn Cowfish Longnose dace Longnose Gar Longnose sucker Longnose velvet dogfish Longspine snipefish Lumpsucker Magpie perch Mahi-mahi Mahseer Malabar Grouper Marbled eel Marbled Hatchetfish Marlin Medaka Menidia Midas cichlid Midshipman fish Mikrogeophagus Milkfish Millet butterflyfish Moorish Idol Mosaic corydoras Mud sunfish Mummichog Muskellunge Muskellunge Narrownecked oceanic eel Nassau Grouper Needlefish Needlenose fish Neolamprologus multifasciatus Neon tetra New Zealand sand diver Nile tilapia Nimbochromis polystigma Nine-spined Stickleback Northern cavefish Northern Hogsucker Northern pike Northern Pike Northern snakehead Nothobranchius Nurse Shark Obtuse Barracuda Oceanic whitetip shark Ocellated frogfish Oranda goldfish Orange-lined triggerfish Orangespotted sunfish Orbicular batfish Orbiculate Cardinalfish Oriental flying gurnard Ornate butterflyfish Oscar Ozark cavefish Pacific Hagfish Pacific herring Pacific jack mackerel Painted Comber Pajama Cardinalfish Pallid sturgeon Panda corydoras Parachromis Parore Peacock bass Pearl Danio Pearlscale goldfish Pelagic butterfish Pelican eel Pelvicachromis taeniatus Pennant coralfish Pentazona barb Picasso triggerfish Pilot fish Pink frogmouth Placidochromis Plunket shark Poacher Polar cod Pollock Pompano Poor man’s tropheus Porcupinefish Portuguese dogfish Powder Blue Tang Prickly dogfish Prickly shark Pseudotropheus Pumpkinseed Pumpkinseed Pygmy shark Pygmy sunfish Pyramodon ventralis Queen Triggerfish Queensland lungfish Quillback Raccoon butterflyfish Red bandfish Red cornetfish Red empress Red Grouper Red Hake Red line torpedo barb Red morwong Red Sea Sailfin tang Redband Trout Redbreast sunfish Redbreast sunfish Redear sunfish Redtail butterflyfish Redtail Catfish Redtoothed triggerfish Reedfish Reef triggerfish Ricefish Roach Rock bass Rosenblattia robusta Rosy barb Roughskin dogfish Royal Gamma Rudderfish Rusty Carpetshark Rusty cichlid Sablefish Sacramento perch Salmon Salt & Pepper corydoras Samson fish Sand lance Sargassumfish Sarotherodon Schwartz's catfish Sciaenochromis Sea Goldie Sea Lamprey Searcher Seema Severum Sherwood dogfish Shore Clingfish Short-finned eel Short-tail stingray Shortnose Cisco Shovelnose Guitarfish Shrimpfish Shubunkin Sicklefish Silky shark Silver Dollar Fish Silver Moony Silver spinyfin Silvertip shark Skilfish Slender snipefish Smallmouth bass Smooth lanternshark Snake Mackerel Snook Sohal Surgeonfish South American Lungfish South American pilchard Southern Blue Whiting Southern driftfish Spearfish remora Speckled longfin eel Splittail Spotfin butterflyfish Spotfin frogfish Spotted codlet Spotted Eagle Ray Spotted fanfish Spotted garden-eel Spotted tilapia Spotted Trunkfish Squawfish Steatocranus Sterba's corydoras Striated frogfish Stripedfin ronquil Sturgeon Surfperch Suwannee bass Swollen-headed conger eel T-bar cichlid Tanichythys Tasmanian clingfish Teardrop butterflyfish Telescope eye Telescopefish Texas cichlid Thornfish Thorntail stingray Thorny catfish Threadfin butterflyfish Three Spot Gourami Three-Spined Stickleback Threestripe corydoras Tiger barb Tiger shark Tilapia buttikoferi Titan triggerfish Toadfish Toadstool Groper Tonguefish Triplewart seadevil Trout Trumpetfish Utah sucker Variabilichromis Velvet Belly lanternshark Wahoo Walking catfish Warmouth Warmouth Weather loach White Cloud Mountain minnow White Croaker White Grouper White Hake White Perch White sucker White trevally White warehou Whitemargin unicornfish Whitetip reef shark Whiting Witch Flounder Wolf herring Wolffish Woundfin Yellow Boxfish Yellow Bullhead Yellow jack Yellow Perch Yellow tang Yellow-headed Jawfish Yellowfin Surgeonfish Yellowspotted Sawtail Yellowtail Amberjack (Great Amberjack) Yellowtail Barracuda Yoyo loach Zebra Oto Zebra Plecostomus Zebra Tilapia Zebrafish