piscicolous en · ADJ
Etymology
From pisci- + -colous.
Meanings
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(not-comparable, of a parasite, usually) Infecting or inhabiting fish.
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.
1966, Richard A. Boolootián, Physiology of echinodermata: