Name: the meanest things in creation.
Genera: 8; 51 species; 1 family, Uranoscopidae.
Habitat: marine; in shallow and deep saltwaters.
Use: delicacy in some cultures.
Fish; venomous, from 2 large venomous spines situated behind their opercles and above their pectoral fins.
Size: 18 to 90 cm.
Form: eyes on top of their heads; large, upward-facing mouth in a large head; some have a worm-shaped lure growing out of the floors of their mouths, which they can wiggle to attract prey's attention.
Behaviour: ambush fish, bury themselves in sand.
Fins: dorsal and anal fins are relatively long; some lack dorsal spines.
Food: benthic fish, invertebrates.
Electric: bioelectrogenesis; Astroscopus and Uranoscopus can also cause electric shocks., from modified eye muscles or sonic muscles.