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Amblyraja georgiana (Norman, 1938)

Antarctic starry skate
個人による観察記録の追加 Fish Watcher
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

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Amblyraja: Greek, amblys = darkness + Latin, raja, -ae = ray (Raja sp.) (Ref. 45335).
  More on author: Norman.

Environment: milieu / climate zone / depth range / distribution range 生態学

深海魚; 深さの範囲 20 - 350 m (Ref. 58839).   Deep-water; 43°S - 74°S, 48°E - 23°W (Ref. 114953)

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

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.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 115 cm TL オス/雌雄の選別がない; (Ref. 114953)

生物学     用語集 (例 epibenthic)

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).

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

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).

主な参考文献 Upload your references | 参考文献 | コーディネーター : McEachran, John | 協力者

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)

IUCNのレッドリストの状況は (Ref. 130435)


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