Channichthys irinae

Channichthys irinae, the pygmy icefish, is a species of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. It is endemic to the Kerguelen Islands in the Southern Ocean.

Taxonomy

Channichthys irinae was first formally described in 1995 by the Ukrainian based ichthyologist Gennadiy A. Shandikov with the type locality given as the southwestern Indian Ocean, northeast of Kerguelen Island. Fishbase treats it as a valid species but Catalog of Fishes treats it as a junior synonym of C. panticapaei.

Description

Channichthys irinae grows to a maximum length of. This species is very similar to Channichthys mithridatis, but it has more gill rakers in more and longer rows. Distinguishing factors from other Channichthys species also include the fact that it has the largest eye diameter relative to snout length.

Distribution, habitat and biology

Channichthys irinae is endemic to the Southern Ocean around the Kerguelen Islands. It is a demersal species living at depths of. This species mainly feeds on pelagic zooplankton and is of no interest to commercial fisheries.