Anglers take note...this fish is a sleeper, not a snooze! Meet the Bigmouth Sleeper, the natural "top dog" in Puerto Rico's streams. The name tells you all you need to know about the appearance and behavior of this underappreciated fish. Augustin (Gus) Engman from the University of Tennessee joins us again to dig further into the native fishes that inhabit the island, including what we know about this fish and how to get it on the end of your line.