| Channichthys irinae | |
|---|---|
 | |
| Illustration of the holotype | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Perciformes |
| Family: | Channichthyidae |
| Genus: | Channichthys |
| Species: | C. irinae |
| Binomial name | |
| Channichthys irinae Shandikov, 1995 | |
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.
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 . [1] [2]
Channichthys irinae grows to a maximum length of 25.9 cm (10.2 in). This species is very similar to Channichthys mithridatis (to which it is closely related), but it has more gill rakers in more and longer rows (21 to 30 in two rows for C. irinae compared to 11 to 16 in one row for C. mithraditis). Distinguishing factors from other Channichthys species also include the fact that it has the largest eye diameter relative to snout length (45.9% at the very least, with specimens sometimes reaching 56%). [3]
Channichthys irinae is endemic to the Southern Ocean around the Kerguelen Islands. It is a demersal species living at depths of 165 to 310 m (540 to 1,020 ft). [3] This species mainly feeds on pelagic zooplankton and is of no interest to commercial fisheries. [2]
The marbled rockcod is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean, where it can be found at depths from 5 to 350 m. This is a commercially important species.
The painted notie, or painted notothen, is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean.
Paranotothenia magellanica, also known as Magellanic rockcod, Maori cod, blue notothenia or orange throat notothen, is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean. "Maori chief" and "black cod", sometimes used for this species, usually refer to fishes from the related genus Notothenia. Being a perciform fish, it is unrelated to the true cods of the order Gadiformes. This species is commercially important as a food fish.
Channichthys is a genus of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. They are native to the Southern Ocean.
Cryodraco is a genus of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. They are found in the Southern Ocean. While C. antarcticus has minor commercial importance, C. atkinsoni and C. pappenheimi are of no interest to commercial fisheries.
Pseudochaenichthys is a monotypic genus of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. Its only member is Pseudochaenichthys georgianus, the South Georgia icefish, which is found in the Southern Ocean.
The grey rockcod, also known as the grey notothen, stripe-eyes notothen or stripe-eyed rockcod, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Southern Ocean. The grey rockcod feeds mainly on macrozooplankton and is of minor importance to commercial fisheries. It is the only species in the genus Lepidonotothen.
Lindbergichthys is a genus of marine ray-finned fishes belonging to the family Nototheniidae, the notothens or cod icefishes.
The toad notie, or toad notothen, is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Indian sector of the Southern Ocean.
Nototheniops is a genus of marine ray-finned fishes belonging to the family Nototheniidae, the notothens or cod icefishes. The species in this genus are native to the Southern Ocean.
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 750 m (2,460 ft). It is considered by some researchers as the only species in the genus Channichthys.
Pagetopsis macropterus species of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. This species is found in the Southern Ocean.
Channichthys mithridatis, the green 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.
Channichthys richardsoni, the robust icefish, is a demersal species of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. It is endemic to the shelf waters of the Kerguelen Islands in the Southern Ocean. It lives at depths of 126–310 metres (413–1,017 ft).
Channichthys panticapaei, the charcoal icefish, is a species of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. It is endemic to the Kerguelen Islands area in the Southern Ocean. This demersal species is found at depths of 112–154 m (367–505 ft) and is sometimes caught in bottom trawls. However, it is not targeted and is of no interest to commercial fisheries at present. It is dark gray to uniformly blackish with long first to third dorsal fin spines. The charcoal icefish reaches lengths of up to 40.2 cm (15.8 in), with females generally being smaller. This planktivorous (plankton-eating) species likely spawns from June to July, with maturity reached at 30 cm TL / 27 cm SL.
Channichthys velifer, or the sail icefish, is a species of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. It is endemic to the Kerguelen Plateau area of the Southern Ocean. This demersal species lives at depths of 125 to 150 m. It is described to have a light brownish-olive or grayish-olive color, with a white belly and dark spots on the caudal and dorsal fins forming brush-like patterns. The anal fins are whitish and dark brown spots are sometimes present. Preservation in formalin results in a reddish color. The granulation is moderate, and is better expressed in larger specimens. The dorsal fin membranes are high and there is a large number of dorsal fin rays, distinguishing it from similar Channichthys species. Furthermore, C.velifer has more pectoral fin rays than C.rugosus. This species feeds on fishes and cephalopods and is of no interest to commercial fisheries.
Cryodraco atkinsoni is a bathydemersal species of marine ray-finned fish belonging to the family Channichthyidae, the crocodile icefishes. It is endemic to the waters of the eastern part of the Southern Ocean.
Gobionotothen acuta, the triangular rockcod or the triangular notothen, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the French Southern and Antarctic Lands, the Heard Islands and the Kerguelen Plateau in the Southern Ocean.
Notothenia cyanobrancha, the blue rockcod, bluegillnotothen, or bluegill rockcod, is a species of marine ray-finned fish, belonging to the family Nototheniidae, the notothens or cod icefishes. It is native to the Kerguelen and Heard Islands in the Southern Ocean.
The stocky rockcod, also known as the bandtail notothen, is a species of marine ray-finned fish belonging to the family Nototheniidae, the notothens or cod icefishes. It is found in the Southern Ocean.