The Collaborative International Dictionary
Ichthyophagy
Ichthyophagy \Ich`thy*oph"a*gy\, n. [Gr. 'ichqyofagi`a: cf. F. ichthyophagie.] The practice of eating, or living upon, fish.
Wiktionary
ichthyophagy
n. (context archaic English) The practice of eating fish.