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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.

Common names from other countries

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> 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 Écologie

marin démersal; profondeur 5 - 770 m.   Polar; 53°S - 65°S, 67°W - 4°E

Distribution Pays | Zones FAO | Écosystèmes | 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 / Taille / Poids / Âge

Maturity: Lm 44.9  range ? - ? cm
Max length : 72.0 cm TL mâle / non sexé; (Ref. 4883); common length : 50.0 cm TL mâle / non sexé; (Ref. 2805); poids max. publié: 3.7 kg (Ref. 4883)

Biologie     Glossaire (ex. 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 Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

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).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Non évalué 

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Pêcheries: intérêt commercial mineur
FAO(pêcheries: production; publication : search) | FishSource | Sea Around Us

Plus d'informations

Trophic ecology
Éléments du régime alimentaire
Diet compositions
Food consumptions
Food rations
Prédateurs
Ecology
Écologie
Home ranges
Life cycle
Reproduction
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larves
Dynamique des populations larvaires
Distribution
Pays
Zones FAO
Écosystèmes
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill areas
Cerveaux
Otolithes
Physiology
Body compositions
Nutrients
Oxygen consumptions
Type de nage
Swimming speeds
Visual pigment(s)
Sons de poissons
Diseases / Parasites
Toxicities (LC50s)
Genetics
Génétique
Electrophoreses
Heritabilities
Human related
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Sources Internet

Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher | CISTI | Catalog of Fishes(Genre, Espèce) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(génôme, nucléotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Arbre de Vie | Wikipedia(aller à, chercher) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): -1.3 - 1.6, mean 0 (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=0.00091 (0.00077 - 0.00107), b=3.49 (3.44 - 3.54), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278):  3.4   ±0.2 se; based on diet studies.
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (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).
Catégorie de prix (Ref. 80766):   High.