Anotopterus vorax, Southern ocean daggertooth

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Anotopterus vorax (Regan, 1913)

Southern ocean daggertooth
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Anotopterus vorax   AquaMaps   Data sources: GBIF OBIS
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Image of Anotopterus vorax (Southern ocean daggertooth)
Anotopterus vorax
Picture by Richard O’Driscoll / NOAA

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Aulopiformes (Grinners) > Anotopteridae (Daggertooth)
Etymology: Anotopterus: Greek, a = without + Greek, noton = back + Greek, pteron = fin (Ref. 45335).
More on author: Regan.

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

marien bathypelagisch; diepte 0 - 2579 m (Ref. 36355). Deep-water; 55°S - 72°S

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Southern Ocean: circumglobal (Ref. 31260). Collected from Meteor and Maud rises, in the Lazarev Sea, and near the South Sandwich Islands (Ref. 36355).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 105 cm SL mannelijk / geslacht onbekend; (Ref. 31260); common length : 90.0 cm NG mannelijk / geslacht onbekend; (Ref. 5755)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 0; Anale zachte stralen: 13 - 16; Wervels: 81 - 85. In adults, head depth 21.3-23.2% of lower jaw length; postorbital region 5.0-6.7% SL or 25.5-30% HL (1/3 of HL). Rear edge of gill cover overlaps with the vertical of the middle of the 4th vertebrae. Pectoral fins begin at the vertical of the end of the 4th to beginning of 5th vertebrae. Postadipose distance represents 4.6-5.9% SL (Ref. 31260).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Inhabits the epimesopelagic layer of the southern ocean circumglobally. Only fry and juveniles were observed in subtropical waters; large adults encountered in sub-Antarctic and Antarctic waters. Capable of shedding teeth and reducing gastrointestinal tract prior to spawning. Monocyclic, that is, they die after the first spawning (a reproductive strategy that evolved as a result of the large distance between feeding and spawning areas). Main food is Notolepis coatsi which are 15-38 cm in length and weighs to 57-90 g (Ref. 31260).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator : Thompson, Bruce | Medewerkers

Kukuev, E.I., 1998. Systematics and distribution in the world ocean of daggertooth fishes of the genus Anotopterus (Anotopteridae, Aulopiformes). J. Ichthyol. 38(9):716-729. (Ref. 31260)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 11 October 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

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Estimates based on models

Preferred temperature (Ref. 123201): -0.5 - 1.5, mean 0.7 °C (based on 292 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Trofisch niveau (Ref. 69278):  4.5   ±0.80 se; based on food items.
Weerstandsvermogen (Ref. 120179):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming tmax>10).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (77 of 100).