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Dissostichus eleginoides  Smitt, 1898

Patagonian toothfish
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Image of Dissostichus eleginoides (Patagonian toothfish)
Dissostichus eleginoides
Picture by INIDEP


Argentina country information

Common names: Merluza negra
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: minor commercial | Ref: Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in the Patagonian region (Ref. 27363).
National Checklist: Argentina
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/ar.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Nototheniidae (Cod icefishes)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Main reference

Size / Weight / Age

Max length : 215 cm TL male/unsexed; (Ref. 2121); common length : 70.0 cm TL male/unsexed; (Ref. 2121); max. published weight: 9.6 kg (Ref. 58336); max. reported age: 31 years (Ref. 87879)

Length at first maturity
Lm ?, range 38 - 60 cm

Environment

Marine; pelagic-oceanic; oceanodromous (Ref. 51243); depth range 50 - 3850 m (Ref. 11892), usually 70 - 1500 m (Ref. 2121)

Climate / Range

Temperate, preferred 7°C (Ref. 107945); 33°S - 66°S, 77°W - 180°E (Ref. 54228)

Distribution

Southeast Pacific and Southwest Atlantic: southern Chile round the coast to Patagonia (Argentina) and the Falkland Islands. Southwest Pacific: Macquarie Island. Southern Ocean: South Georgia. Also known from sub-Antarctic islands and seamounts of the Indian sector.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 8 - 10; Dorsal soft rays (total): 28-30; Anal spines: 0; Anal soft rays: 28 - 30; Vertebrae: 53 - 54. Lateral line scales 88-104 (upper), 61-77 (lower).

Biology     Glossary (e.g. epibenthic)

At 12-15 cm TL, semi-pelagic juveniles become demersal at 150-400 m depth (Ref. 55957). Adults migrate to deeper habitats at depths greater than 1,000 m (Ref. 55957). Utilized as food fish (Ref. 4931).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: commercial

More information

References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

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Internet sources

BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(fisheries: production, species profile; publication : search) | FIRMS (Stock assessments) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | National databases | PubMed | RFE Identification | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.0   ±0.68 se; Based on food items.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (Fec=230,000; tmax>=21)

Vulnerability (Ref. 59153)
High to very high vulnerability (71 of 100)
Price category (Ref. 80766)
Very high