Stowfish

Stowfish are a tiny green fish found in The Legend of Zelda: Phantom Hourglass. Their exact size is not given, but they occasionally are found clinging to the bottom of other, larger fish. If Link shows a fish with a Stowfish attached to it to the Old Wayfarer, he will remark that the Stowfish are the wayfarers among fish and give him a ship part.