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Chaenocephalus aceratus (Lönnberg, 1906)

Blackfin icefish
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Chaenocephalus aceratus   AquaMaps   Data sources: GBIF OBIS
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Image of Chaenocephalus aceratus (Blackfin icefish)
Chaenocephalus aceratus
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: Chaenocephalus: Greek, chaeno = to yawn + Greek, kephale = head (Ref. 45335).
More on author: Lönnberg.

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

Marine; demersal; depth range 5 - 770 m. Polar; 53°S - 65°S, 67°W - 4°E

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

Southern Ocean: in the vicinity of Bouvet Island, Scotia Sea, and northern part of the Antarctic Peninsula.

Length at first maturity / Size / Weight / Age

Maturity: Lm 44.9  range ? - ? cm
Max length : 72.0 cm TL male/unsexed; (Ref. 4883); common length : 50.0 cm TL male/unsexed; (Ref. 2805); max. published weight: 3.7 kg (Ref. 4883)

Biology     Glossary (e.g. epibenthic)

Adults feed mostly on fish and krill. Synchronous spawner (Ref. 50743). Larvae have a long pelagic phase (Ref. 71843). Utilized as a food fish (Ref. 4931).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

There is only one generation of oocytes in the ovaries indicative of determinate fecundity (Ref. 50743). Mature females may spawn for the first time from around 6-8 years of age (Ref. 71843).

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. 130435: Version 2024-2)

  Vulnerable (VU) (A2bcde); Date assessed: 29 November 2023

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial
FAO - Fisheries: landings; Publication: search | FishSource | Sea Around Us

More information

Trophic ecology
Food items
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
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Eggs
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Distribution
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BRUVS - Videos
Anatomy
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Otolith
Physiology
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References

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Fisheries: landings; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): -1.3 - 1.6, mean 0 °C (based on 42 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00093 (0.00079 - 0.00110), b=3.48 (3.43 - 3.53), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level (Ref. 69278):  3.4   ±0.2 se; based on diet studies.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.17-0.24; Fec = 7,358).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (54 of 100).
Climate Vulnerability (Ref. 125649):  High to very high vulnerability (75 of 100).
Price category (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 24.2 [13.5, 53.3] mg/100g; Iron = 0.45 [0.19, 0.91] mg/100g; Protein = 17.3 [15.2, 19.4] %; Omega3 = 0.23 [0.12, 0.43] g/100g; Selenium = 23.3 [9.2, 53.9] μg/100g; VitaminA = 10.8 [2.2, 52.1] μg/100g; Zinc = 0.364 [0.235, 0.556] mg/100g (wet weight); based on nutrient studies.