The Toadfish, Opsanus beta, hails from the waters of the Gulf of Mexico and is almost always a orange/brown hue. This is one of the more unique and interesting in appearance fish available in the aquarium trade. It is a bottom dwelling predator that seeks out small fish and inverts. For this reason it is best kept in a large aquarium devoid of these small organisms. With such a large mouth and a voracoius appetite, the Toadfish can make many small organisms prey. They are hardy and can handle large fluctuations in tank specs.