Amblyraja georgiana, Antarctic starry skate : fisheries

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Verwante soorten
- Soort(en) in
  Amblyraja
- Soort(en) in
  Rajidae
- - Classificatie -
- Rajidae
- Rajiformes
- Elasmobranchii
- Chordata
- Animalia

Amblyraja georgiana (Norman, 1938)

Antarctic starry skate

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Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Amblyraja georgiana AquaMaps Data sources: GBIF OBIS

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Image of Amblyraja georgiana (Antarctic starry skate)

Amblyraja georgiana
Picture by Reyes, P.

Common names from other countries

Raie étoilée antarctique, Raya estrellada antártica, Скат георгианский, ... more

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

Elasmobranchii (haaien en roggen) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Amblyraja: Greek, amblys = darkness + Latin, raja, -ae = ray (Raja sp.) (Ref. 45335).
Eponymy: This is a toponym referring to the fact that the holotype was caught in the coastal waters of South Georgia and was named after that island. (Ref. 128868), visit book page.
More on author: Norman.

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

marien bathydemersaal; diepte 20 - 350 m (Ref. 58839). Deep-water; 43°S - 74°S, 48°E - 23°W (Ref. 114953)

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Southeast Pacific: Chile (Ref. 27540). Southern Ocean: around South Georgia Island and on the ridge westward towards Black Rocks. Occasionally seen on the Scotia Ridge.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 115 cm TL mannelijk / geslacht onbekend; (Ref. 114953)

Found on continental and insular shelves, as well as upper slopes. Feeds mainly on small benthic invertebrates (Ref. 114953). Oviparous (Ref. 205). Reaches maturity at 80-90 cm TL; birth size at ca. 20 cm TL (Ref. 114953). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsule measures 116.5 mm long and 80.0 mm wide (Ref. 41249). Utilized as fishmeal and possibly not utilized for human consumption due to extreme roughness of its squamation (Ref. 5159).

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

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs have horn-like projections on the shell (Ref. 205).

Hoofdreferentie Upload your references | Referenties | Coördinator : McEachran, John | Medewerkers

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)

Onvoldoende gegevens (DD) ; Date assessed: 08 February 2019

CITES (Ref. 131153)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: visserij voor eigen gebruik

FAO(visserij: productie; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): -1.4 - 0.5, mean -0.6 (based on 28 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 4.2 ±0.3 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Assuming tm>5).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (69 of 100).

Climate Vulnerability (Ref. 125649): Moderate vulnerability (38 of 100).

Prijsklasse (Ref. 80766): High.

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