fishes, toadfish-like - galaxias
- fishes, toadfish-like
- fishes, tongue
- fishes, toothed pony
- fishes, torrent
- fishes, trichonotid
- fishes, trumpet
- fishes, turkey
- fishes, two-lined grammistid
- fishes, ulva
- fishes, urinophilous
- fishes, velvet
- fishes, weasel
- fishes, weever
- fishes, zebra
- fishes, zoarcoid
- five-finger
- flagfin, bronze-green
- flagfish
- flagfish, Mediterranean
- flagfishes
- flagtail, barred
- flagtail, Bonin
- flagtail, rock
- flagtail, spotted
- flagtails
- flashers
- flatfish, large-scaled
- flatfish, lyre
- flatfishes
- flatfishes, lyre
- flathead, banded
- flathead, bar-tailed
- flathead, big-scaled
- flathead, crocodile
- flathead, fringelip
- flathead, half-spined
- flathead, Indian
- flathead, Japanese
- flathead, knobby
- flathead, large-scaled
