Channichthys rhinoceratus
Channichthys rhinoceratus, the unicorn icefish, is a species of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. It is endemic to the Kerguelen-Heard Plateau in the Southern Ocean. It is a demersal species living from surface waters to depths up to . It is considered by some researchers as the only species in the genus Channichthys. Description Described by Sir John Richardson in 1844 and being the type species of the genus Channichthys, the unicorn icefish is generally pale brown, though smaller specimens have four dark cross-bars present on each side of the body, and dark spots are present on the body, sometimes with reddish patches and dark reticulations are present. Dark spots may be present on the blackish first dorsal fin. Other fins are colored pale or dusky. It grows up to a maximum length of 60 cm (24 inches) and a maximum published weight of 0.5 kg (1.1 lbs). A more common length is 40 cm (16 inches). Its size (being the largest of the Channichthys species) and the fact that it has the smallest eye diameter relative to snout length of the Channichthys species (28% to 31.6%) distinguish it from its congeners. The large