- family Peronosporaceae
- family Sphaeriaceae
- finger hole
- finger food
- Flammulina
- form genus Rhizoctinia
- Fistulina
- family Carangidae
- family Pholididae
- family Trachipteridae
- family Blenniidae
- family Stichaeidae
- family Scyliorhinidae
- family Pomatomidae
- family Coregonidae
- family Ostraciidae
- family Centropomidae
- family Embiotocidae
- family Scombresocidae
- family Ophidiidae
- family Pempheridae
- family Carapidae
- family Lutjanidae
- family Bramidae
- family Chlorophthalmidae
- family Clinidae
- family Ophiodontidae
- family Lophiidae
- family Mobulidae
- family Gempylidae
- family Odontaspididae
- family Pholidae
- family Ephippidae
- family Liparidae
- family Lamnidae
- family Scorpaenidae
- family Priacanthidae
- family Trichodontidae
- family Hexagrammidae
- family Sparidae
- family Regalecidae
- family Lobotidae
- family Osteoglossidae
- family Eleotridae
- family Platycephalidae
- family Myliobatidae
- family Triglidae
- family Sciaenidae
- family Elopidae
- family Mugilidae