(idiomatic) A heartless individual; a person lacking empathy and emotion. / (slang) A sexual partner who, during sex, lacks vigor or emotional reciprocity.

Any fish that lives below a depth of 2000 meters.

To catch all or nearly all the fish in (a given body of water), so that few or none remain. / To pick up or pull something or someone from (a body of water).

(Britain) Any of several varieties of spread, made from fish with the addition of some cereal, traditionally eaten on toast.

Any species of the genus Porichthys of batrachoid toadfishes, typically nocturnal, distinguished by photophores and four lateral lines, and noted for a hum produced by males during the breeding season.

(US) A meal, especially a cookout, featuring deep-fried, battered fish.

Alternative spelling of zebrafish

(zoology) Any of many unrelated fishes that provide a service to other fish species by removing dead skin and parasites.

Any fish of the Australian family Paraulopidae, especially Paraulopus nigripinnis. / Any Australian grayling (Prototroctes maraena). / Any New Zealand smelt (Retropinna retropinna).

plural of fish cake