A very elongated silvery marine fish with a crimson dorsal fin running the full length of its body and a forehead that projects forward into a long filament.
冠带鱼
Lophotus lacepedei, family Lophotidae
Definition of crestfish in US English:
crestfish
nounˈkrestfiSH
A very elongated silvery marine fish with a crimson dorsal fin running the full length of its body and a forehead that projects forward into a long filament.