any of numerous African freshwater fishes of the family Mormyridae, many species of which have an elongated snout and are capable of producing an electric discharge
adjective
2.
belonging or pertaining to the family Mormyridae
Word origin
[1895–1900; ‹ NL Mormyridae, equiv. to Mormyr(us) genus name (‹ Gk mormýros a species of fish) + -idae-id2]