What is "icefish"

n. 1 (context biology English) Any of many perciform fish, of the order Notothenioidei, that live in the cold, continental-shelf waters of the Antarctic 2 The noodlefish.

Icefish may mean:

• Notothenioidei, a suborder of mostly bottom-dwelling fish of the Southern Ocean
• Salangidae, a family of smaller freshwater or anadromous fishes, most often found in East Asia and the northwestern Pacific Ocean
• USS Icefish (SS-367), a submarine