March 18, 2013
Habitat: Clear, warm waters in the central and eastern US, particularly in Mississippi . A squirrel tree frog lurks by a small pond, seeking a safe place to lay its fertilised eggs.
Pirate perch are night-hunting predators that will eat almost anything, from insects to fish. They earned their name after people tried keeping them in aquariums: like a merciless pirate, the perch would kill and eat all the other fish. "They are pretty voracious," says William Resetarits of Texas Tech University in Lubbock.