ratfish

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

1. a chimaera, Hydrolagus colliei, of the Pacific Ocean from Alaska to Baja California, having a ratlike tail.

noun plural -fish or -fishes

1. another name for rabbitfish (def. 1)
2. a chimaera, Hydrolagus colliei, of the North Pacific Ocean, which has a long narrow tail