Any of the order Lophiiformes of anglerfish, such as Lophius piscatorius.
Any of several benthic anglerfish, of the family Antennariidae, having a frog-like mouth with a lure.
Any of the benthic ray-finned fish of the family Batrachoididae (the sole family of order Batrachoidiformes), which are ambush predators and have a toad-like appearance.