Drawing by Dr Tony Ayling Cyttus is the sole genus in the family Cyttidae a family of large, showy, deep-bodied zeiform marine fish.

Members of this genus are found in the Atlantic, Indian, and Pacific Ocean.

[1] An extinct relative, Cyttoides, is known from the Early Oligocene of Canton Glarus, Switzerland.

[2] There are currently three recognized species in this genus:[1]

This Zeiformes-related article is a stub.