piscine

[ pahy-seen, pis-ahyn, -een, -in ]

/ ˈpaɪ sin, ˈpɪs aɪn, -in, -ɪn /

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

Origin of piscine

1790–1800; < Latin piscīnus, equivalent to pisc(is) fish + -īnus -ine¹

In recent years, the piscine darling has helped secure the Scandinavian country favorable trade and tourism agreements with China.

The Surprising Reasons the Chinese Love the Little Mermaid |Chantel Tattoli |August 25, 2013 |DAILY BEAST
Now, it is among these piscine characteristics that we find the clue to where Man got his ears.

McClure's Magazine, Vol. 1, No. 1, June 1893 |Various
Possibly there was a certain suggestion of the piscine, sir.

Right Ho, Jeeves |P. G. Wodehouse
The tears of the young man in the piscine were the only tears of sorrow I saw at Lourdes.

Lourdes |Robert Hugh Benson

There seems no reason to doubt that modern fish, as a whole, quite equal in size the piscine fauna of any previous geological age.

Falling in Love |Grant Allen
I learned that she had been suffering from a severe internal malady, and that she had been cured instantaneously in the piscine.

Lourdes |Robert Hugh Benson

piscine

/ (ˈpɪsaɪn) /

of, relating to, or resembling a fish

piscine

[ pī′sēn′, pĭs′īn′ ]

Relating to or characteristic of fishes.