The Gnawer is a small [Exotic] greenish-yellow fish that resembles a Piranha. They can be found deep under the Coral basin in the Underwater caves. They can be found around the Rana fish. This fish only requires a small bait or a medium bait and doesn't move much. The Gnawer is worth $6,000 and can be thrown back into the water for a medium bait.
Their description reads: ''This recently discovered fish lives in the caves under the coral basin.''