ˌserəˈtīəˌdē noun plural
Usage: capitalized
Etymology: New Latin, from Ceratias, type genus (from Greek keratias horned, from kerat-, keras horn) + -idae — more at horn
: a family of deep-sea fishes (order Pediculati) comprising the black sea devils and related to the anglers but black in color and often having luminous organs, the males in several species being diminutive and carried in the gill cavity or attached to the body or head of the female