S
- Sábalo
- Sabertooth
- Saber-toothed blenny
- Sabertooth fish
- Sablefish
- Sacramento blackfish
- Sacramento splittail
- Sailback scorpionfish
- Sailbearer
- Sailfin silverside
- Sailfish
- Salamanderfish
- Salmon
- Salmon shark
- Sandbar shark
- Sandburrower
- Sand dab
- Sand diver
- Sand eel
- Sandfish
- Sand goby
- Sand knifefish
- Sand lance
- Sandperch
- Sandroller
- Sand stargazer
- Sand tiger
- Sand tilefish
- Sarcastic fringehead
- Sardine
- Sargassum fish
- Sauger
- Saury
- Sawfish
- Saw shark
- Sawtooth eel
- Scabbard fish
- Scaleless black dragonfish
- Scaly dragonfish
- Scat
- Scissor-tail rasbora
- Scorpionfish
- Sculpin
- Scup
- Scythe butterfish
- Sea bass
- Sea bream
- Sea catfish
- Sea chub
- Sea devil
- Sea dragon
- Seahorse
- Sea lamprey
- Seamoth
- Sea raven
- Searobin
- Sea snail
- Sea toad
- Sevan trout
- Seatrout
- Sergeant major
- Shad
- Shark
- Sharksucker
- Canthigaster rostrata
- Sheatfish
- Shingle Fish
- Sheepshead
- Sheepshead minnow
- Shell-ear
- Shiner
- Shortnose chimaera
- Shortnose greeneye
- Shortnose sucker
- Shovelnose sturgeon
- Shrimpfish
- Siamese fighting fish
- Sillago
- Silver carp
- Silver dollar
- Silver driftfish
- Silver hake
- Silverside
- Sind danio
- Sixgill ray
- Sixgill shark
- Skate
- Skilfish
- Skipjack tuna
- Skipping goby
- Slender barracudina
- Slender mola
- Slender snipe eel
- Sleeper
- Sleeper shark
- Slickhead
- Slimehead
- Slimy mackerel
- Slimy sculpin
- Slipmouth
- Smalleye squaretail
- Smalltooth sawfish
- Smelt
- Smelt-whiting
- Smooth dogfish
- Smoothtongue
- Snailfish
- Snake eel
- Snakehead
- Snake mackerel
- Snake mudhead
- Snapper
- Snipe eel
- Snipefish
- Snoek
- Snook
- Snubnose eel
- Snubnose parasitic eel
- Soapfish
- Sockeye salmon
- Soldierfish
- Sole
- South American darter
- South American Lungfish
- Southern Dolly Varden
- Southern flounder
- Southern grayling
- Southern hake
- Southern sandfish
- Southern smelt
- Spadefish
- Spaghetti eel
- Spanish mackerel
- Spearfish
- Speckled trout
- Spiderfish
- Spikefish
- Spinefoot
- Spiny-back
- Spiny basslet
- Spiny dogfish
- Spiny dwarf catfish
- Spiny eel
- Spinyfin
- Splitfin
- Spookfish
- Spotted danio
- Spotted dogfish
- Sprat
- Springfish
- Squarehead catfish
- Squaretail
- Squawfish
- Squeaker
- Squirrelfish
- Staghorn sculpin
- Stargazer
- Starry flounder
- Steelhead
- Stickleback
- Stingfish
- Stingray
- Stonecat
- Stonefish
- Stoneroller minnow
- Straptail
- Stream catfish
- Streamer fish
- Striped bass
- Striped burrfish
- Sturgeon
- Sucker
- Suckermouth armored catfish
- Summer flounder
- Sundaland noodlefish
- Sunfish (opah)
- Sunfish (mola mola)
- Surf sardine
- Surfperch
- Surgeonfish
- Swallower
- Swamp-eel
- Swampfish
- Sweeper
- Swordfish
- Swordtail
Read more about this topic: List Of Common Fish Names