Definition of kelpfish
: any of various fishes inhabiting kelp beds: such as
a
: a large variably colored blenny (Heterostichus rostratus) found among kelp or eelgrass along the California coast or another member of the family Clinidae
b
: any of several brilliantly colored percoid fishes of the family Odacidae found along the coasts of Australia and New Zealand — called also
rock whiting
