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Pseudochaenichthys georgianus Norman, 1937

South Georgia icefish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Pseudochaenichthys georgianus   AquaMaps   Data sources: GBIF OBIS
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Image of Pseudochaenichthys georgianus (South Georgia icefish)
Pseudochaenichthys georgianus
Picture by Reyes, P.

Common names from other countries

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Perciformes/Notothenioidei (Icefishes) > Channichthyidae (Crocodile icefishes)
Etymology: Pseudochaenichthys: Greek, pseudes = false + Greek, chaino = with the mouth opened (Ref. 45335).
  More on author: Norman.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; depth range 0 - 475 m.   Polar; 53°S - 73°S, 179°W - 24°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Southern Ocean: known from the islands of the Scotia Sea and the northern part of the Antarctic Peninsula to Scott Island.

Length at first maturity / Size / Weight / Age

Maturity: Lm 43.6, range 44 - 50 cm
Max length : 60.0 cm TL male/unsexed; (Ref. 5200); common length : 50.0 cm TL male/unsexed; (Ref. 2805); max. published weight: 2.1 kg (Ref. 50743)

Short description Identification keys | Morphology | Morphometrics

Vertebrae: 54 - 55.

Biology     Glossary (e.g. epibenthic)

Adults feed mainly on krill and fish. Synchronous spawner (Ref. 50743).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Iwami, T. and K.-H. Kock, 1990. Channichthyidae. p. 381-389. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. 462 p. (Ref. 5200)

IUCN Red List Status (Ref. 130435)


CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial
FAO(Fisheries: production; publication : search) | FishSource | Sea Around Us

More information

Trophic ecology
Food items
Diet compositions
Food consumptions
Food rations
Predators
Ecology
Ecology
Home ranges
Life cycle
Reproduction
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill areas
Brains
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fish sounds
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetics
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Aquaculture profiles
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References

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes(genus, species) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): -1.3 - 1.2, mean -0.1 (based on 18 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00293 - 0.01422), b=3.17 (2.97 - 3.37), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.4   ±0.1 se; based on diet studies.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.24; tm=4; Fec = 4,666).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (47 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (73 of 100).
Price category (Ref. 80766):   Low.