Champsocephalus gunnari  Lönnberg, 1905

Mackerel icefish
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Champsocephalus gunnari   AquaMaps   Data sources: GBIF OBIS
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Image of Champsocephalus gunnari (Mackerel icefish)
Champsocephalus gunnari
Picture by Reyes, P.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Channichthyidae (Crocodile icefishes)
Etymology: Champsocephalus: Greek, champso = crocodile, voracious predator + Greek, kephale = head (Ref. 45335).   More on author: Lönnberg.

Environment / Climate / Range Ecology

Marine; pelagic-oceanic; depth range 0 - 700 m (Ref. 11892), usually 30 - 250 m (Ref. 11892).   Polar; 48°S - 66°S

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 21 - 32 cm
Max length : 66.0 cm TL male/unsexed; (Ref. 5200); common length : 35.0 cm TL male/unsexed; (Ref. 2805); max. published weight: 2.0 kg (Ref. 4883)

Short description Morphology | Morphometrics

Vertebrae: 59 - 62

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

Southern Ocean: Islands of the Scotia Sea, including the northern part of Antarctic Peninsula; Kerguelen, Heard and Bouvet islands; in the South Atlantic, near the South Georgia. Also in near the South Orkneys and South Shetland islands.

Biology     Glossary (e.g. epibenthic)

Feed mainly on krill and mysids. Spawn in autumn and winter (Ref. 50743). Synchronous spawner (Ref. 50743). Larval pelagic phase is long (Ref. 71843). Utilized as a food fish (Ref. 4931). The Australian mackerel icefish fishery of this species has been certified by the Marine Stewardship Council (http://www.msc.org/) as well-managed and sustainable (http://www.msc.org/html/content_1255.htm).

Main reference Upload your references | References | Coordinator | Collaborators

Hureau, J.-C., 1985. Channichthyidae. p. 261-277. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88). Rome. Vol. 2. (Ref. 2805)

IUCN Red List Status (Ref. 90363)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial
FAO(fisheries: production; publication : search) | FIRMS (Stock assessments) | FisheriesWiki | Sea Around Us

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Internet sources

BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | SeaLifeBase | Tree of Life | uBio | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00155 (0.00121 - 0.00198), b=3.39 (3.32 - 3.46), based on LWR estimates for this species (Ref. 93245).
Trophic Level (Ref. 69278):  3.2   ±0.4 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.13-0.39; tmax=13; tm=4; Fec=3,094).
Vulnerability (Ref. 59153):  Moderate vulnerability (35 of 100) .
Price category (Ref. 80766):   Very high.