Firefish may refer to the following groups or species of fish:
Nemateleotris, a genus of the family dartfish, Ptereleotridae Elegant firefish, purple firefish, Nemateleotris decora Nemateleotris magnifica, fire goby, fire fish, fire dartfish, red fire goby Scorpaenidae, firefish, turkeyfish, dragonfish, stingfish Pterois, a genus of venomous marine fish Devil firefish, common lionfish, Pterois miles Clearfin lionfish, radial firefish, tailbar lionfish, radiata lionfish, Pterois radiata Broadbarred firefish, Pterois antennata Blackfoot firefish, Parapterois heterurus
Firefish may also refer to:
Firefish, Fediverse-compatible social networking software forked from Misskey