Champsocephalus gunnari Lönnberg, 1905
Mackerel icefish
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Champsocephalus gunnari AquaMaps Data sources: GBIF OBIS |
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Champsocephalus gunnari
Picture by Reyes, P.
Pictures | Google image
Picture by Reyes, P.
Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Perciformes/Notothenioidei (Icefishes) > Channichthyidae (Crocodile icefishes)
Etymology: Champsocephalus: Greek, champso = crocodile, voracious predator + Greek, kephale = head (Ref. 45335).
More on author: Lönnberg.
Etymology: Champsocephalus: Greek, champso = crocodile, voracious predator + Greek, kephale = head (Ref. 45335).
More on author: Lönnberg.
Environment: milieu / climate zone / depth range / distribution range Ecology
Marine; benthopelagic; depth range 0 - 700 m (Ref. 11892), usually 30 - 250 m (Ref. 11892). Polar; 48°S - 66°S, 65°W - 77°E
Distribution Territories | 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.
Length at first maturity / Size / Weight / Age
Maturity: Lm 26.2, 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)
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 Identification keys | Morphology | Morphometrics
Vertebrae: 59 - 62.
Body shape (shape guide): elongated.
Body shape (shape guide): elongated.
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).
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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)
CITES
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
FAO - Fisheries: landings search; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us
More information
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Tools
E-book | Field guide | Identification keys | Length-frequency wizard | Life-history tool | Point map |
Catch-MSY |
Special reports
Download XML
Internet sources
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Fisheries: landings search; Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record
Estimates based on models
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Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00120 (0.00102 - 0.00142), b=3.47 (3.42 - 3.52), in cm total length, based on LWR estimates for this species (Ref. 93245). |
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Trophic level (Ref. 69278) |
3.2 ±0.2 se; based on diet studies. |
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Resilience (Ref. 120179) |
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.13-0.39; tmax=13; tm=4; Fec=3,094). |
| Rate of population increase | Prior r = 0.39, 95% CL = 0.26 - 0.59, Based on 2 data-limited stock assessments. |
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Fishing Vulnerability (Ref. 59153) |
Moderate vulnerability (35 of 100). 🛈 |
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Climate Vulnerability (Ref. 125649) |
High to very high vulnerability (68 of 100). 🛈 |
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Price category (Ref. 80766) |
Very high. |
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Nutrients (Ref. 124155) |
Calcium = 20.5 [11.1, 44.8] mg/100g; Iron = 0.388 [0.165, 0.801] mg/100g; Protein = 16.9 [14.8, 18.9] %; Omega3 = 0.222 [0.107, 0.473] g/100g; Selenium = 25.9 [9.2, 64.1] μg/100g; VitaminA = 13.8 [2.8, 70.5] μg/100g; Zinc = 0.409 [0.265, 0.626] mg/100g (wet weight); based on nutrient studies. |