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Dissostichus mawsoni Norman, 1937

Antarctic toothfish
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Dissostichus mawsoni   AquaMaps   Data sources: GBIF OBIS
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Image of Dissostichus mawsoni (Antarctic toothfish)
Dissostichus mawsoni
Picture by Sala, A.

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

Teleostei (teleosts) > Perciformes/Notothenioidei (Icefishes) > Nototheniidae (Cod icefishes) > Pleuragrammatinae
Etymology: Dissostichus: Greek, disso = twice, one or other + Greek, stix, stichos =line, row (Ref. 45335).
Eponymy: Sir Douglas Mawson (1882–1958) was an Australian geologist and Antarctic explorer. [...] (Ref. 128868), visit book page.
More on author: Norman.

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

Marine; pelagic-oceanic; depth range 0 - 2200 m (Ref. 90824), usually 88 - 1600 m (Ref. 5179). Polar; 45°S - 78°S, 180°W - 180°E

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

Southern Ocean: circumpolar coastal Antarctic broadly to the Convergence (Ref. 11892). Endemic to the seas around Antarctica (Ref. 5179).

Length at first maturity / Size / Weight / Age

Maturity: Lm 133.2  range ? - ? cm
Max length : 200 cm TL male/unsexed; (Ref. 90825); common length : 127 cm TL male/unsexed; (Ref. 90825); max. published weight: 80.0 kg (Ref. 5179); max. reported age: 39 years (Ref. 88081)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 25 - 27; Anal soft rays: 25 - 26. Uniformly brownish, with 4 irregular and incomplete dark cross-bars and with some dark spots (Ref. 11892).

Biology     Glossary (e.g. epibenthic)

Larval pelagic phase is long (Ref. 89402).

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

Main reference Upload your references | References | Coordinator | Collaborators

Dewitt, H.H., P.C. Heemstra and O. Gon, 1990. Nototheniidae. p. 279-331. In O. Gon and P.C. Heemstra (eds.) Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. (Ref. 5179)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial
FAO - Fisheries: landings; Publication: search | FIRMS - Stock assessments | 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
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Countries
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genetics
Heterozygosity
Heritability
Human related
Aquaculture systems
Aquaculture profiles
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Stamps, coins, misc.
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Taxonomy
Common names
Synonyms
Morphology
Morphometrics
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References
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 | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): -1.5 - 1.3, mean 0.2 °C (based on 411 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00479 (0.00303 - 0.00755), b=3.18 (3.05 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.9   ±0.59 se; based on food items.
Resilience (Ref. 120179):  Low, minimum population doubling time 4.5 - 14 years (K=0.056; Fec=400,000).
Prior r = 0.28, 95% CL = 0.19 - 0.42, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (81 of 100).
Climate Vulnerability (Ref. 125649):  Very high vulnerability (87 of 100).
Price category (Ref. 80766):   Low.
Nutrients (Ref. 124155):  Calcium = 9.76 [5.05, 19.57] mg/100g; Iron = 0.41 [0.22, 0.79] mg/100g; Protein = 16.9 [15.3, 18.9] %; Omega3 = 0.373 [0.217, 0.651] g/100g; Selenium = 25.5 [10.8, 55.4] μg/100g; VitaminA = 8.07 [1.82, 39.96] μg/100g; Zinc = 0.274 [0.187, 0.414] mg/100g (wet weight); based on nutrient studies.