Wiktionary
bannerfish
n. A large fish of the genus (taxlink Istiophorus genus noshow=1), of the swordfish family, with a broad banner-like dorsal fin; the sailfish.
Usage examples of "bannerfish".
The Lacondans ignored them, paying drifting tuna and trevally, bannerfish and batfish no more mind than they would have stray dogs or cats.