Dissostichus mawsoni Norman, 1937
Antarctic toothfish
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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. |
| Dissostichus mawsoni AquaMaps Data sources: GBIF OBIS |
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Dissostichus mawsoni
Picture by Sala, A.
Pictures | Stamps, coins, misc. | Google image
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.
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 Territories | 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)
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).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
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)
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
Anatomy
Gill area
Brain
Otolith
Gill area
Brain
Otolith
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)
Tools
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=0.00479 (0.00303 - 0.00755), b=3.18 (3.04 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
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Trophic level (Ref. 69278) |
3.9 ±0.59 se; based on food items. |
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Resilience (Ref. 120179) |
Low, minimum population doubling time 4.5 - 14 years (K=0.056; Fec=400,000). |
| Rate of population increase | Prior r = 0.28, 95% CL = 0.19 - 0.42, Based on 1 data-limited stock assessment. |
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Fishing Vulnerability (Ref. 59153) |
Very high vulnerability (81 of 100). 🛈 |
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Climate Vulnerability (Ref. 125649) |
Very high vulnerability (87 of 100). 🛈 |
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Price category (Ref. 80766) |
Low. |
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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. |