noun, plural (especially collectively) catfish (especially referring to two or more kinds or species) catfishes.
any of the numerous fishes of the order or suborder Nematognathi (or Siluroidei), characterized by barbels around the mouth and the absence of scales.
a wolffish of the genus Anarhichas.
any of various other fishes having a fancied resemblance to a cat.
a person who assumes a false identity
or personality on the Internet, especially on social-networking websites, as to deceive, manipulate, or swindle.
verb (used without object), verb (used with object)
to deceive, swindle, etc., by assuming a false identity or personality online: He fell in love with her online before he realized he'd been catfished.