Frogfish by PacificKlaus on Flickr.
Frogfishes, family Antennariidae, are a type of anglerfish in the order Lophiiformes. They are known as anglerfishes in Australia, where ‘frogfish’ refers to the Batrachoididae. Frogfishes are found in almost all tropical and subtropical oceans and seas around the world, the primary exception being the Mediterranean Sea.
Frogfishes are short and stocky, sometimes with extensive projections all over the body, making their appearance atypical for bony fish. Some species are elaborately camouflaged, both as protection from predators and to enable them to lure prey. Many species can change color; some are covered with other organisms such as algae or hydrozoa. In keeping with this camouflage, frogfishes typically move slowly, lying in wait for prey, and then striking extremely rapidly, in as little as 6 milliseconds.
There are few traces of frogfishes in the fossil record, though Antennarius monodi is known from the Miocene of Algeria.