Ceratiidae

thumb|Female with a parasitic male, preparation at the Zoological Museum of the Zoological Institute of the Russian Academy of Sciences|Saint Petersburg Zoology Museum

species of fish

Ceratias is a genus of marine ray-finned fish sometimes referred to as the doublewart- or giant seadevils, belonging to the family Ceratiidae, the warty sea devils. The fishes in this genus are found throughout the world's oceans.