Starshark

Starsharks are a species only portrayed in the Nintendo Comics System, and inhabited the asteroid field around RX 338. These creatures possess an incredibly powerful bite and are able to exist in an environment without atmosphere, something only few other known creatures (such as Ridley, Dark Samus, Leviathans, and Phazon Metroids) are known to be capable of.

Description
"Even worse, the asteroid field around RX 338 is infested with deadly Starsharks! These creatures feed on anything, from starship hulls to living flesh!"