singingfish

[ sing-ing-fish ]
/ ˈsɪŋ ɪŋˌfɪʃ /

noun, plural (especially collectively) sing·ing·fish, (especially referring to two or more kinds or species) sing·ing·fish·es.

Origin of singingfish

1880–85, Americanism; singing + fish; so called because of the humming sound it produces with its air bladder