Definition from Wiktionary, the free dictionary
piscicolous (not comparable)
- (usually of a parasite) Infecting or inhabiting fish.
1966, Richard A. Boolootián, Physiology of echinodermata:
- Also the young stages of nematodes have been found in the coelom of this ophiuroid, believed by Mortensen (1927) to be young stages of some piscicolous nematode.