Altho a cuttlefish is not exactly a squid, squid are sometimes called cuttlefish ... which makes them sorta piscine.

The business of catching squid is commonly called the "squid fishery" ... which makes them sorta piscine.

Squidfish.net is the website of the world;'s largest squid fishing community ... which makes them (the squids, not the fisherpersons) sorta piscine.

And Admiral Ackbar looks piscine.
http://www.ackbar.f9.co.uk/images.html