piscine

adjective

1. of, relating to, or resembling a fish or fishes.

adjective

1. of, relating to, or resembling a fish

n.c.1300, “reservoir, bathing pool,” from Old French piscine “fishpond,” from Latin piscina, from piscis “a fish” (see fish (n.)). Ecclesiastical sense is from late 15c., from Medieval Latin piscina. As an adjective from 1799.

1. Relating to or characteristic of fishes.