分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Myliobatiformes (Stingrays)
鰩目 (Stingrays) >
Hexatrygonidae (Sixgill stingrays)
六鰓魟科 (Sixgill stingrays)
Etymology: Hexatrygon: Greek, exa = six + Greek, trygon = the name of a ray; 1749 (Ref. 45335).
Eponymy: David ‘Dave’ Bickell was a South African journalist, formerly the angling correspondent for the ‘Eastern Province Herald’. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 350 - 1120 m (Ref. 9906), usually 362 - 1120 m (Ref. 9906). 深水域; 46°N - 37°S, 16°E - 154°W
Indo-Pacific: South Africa eastward to Japan, Australia and the Hawaiian Islands.
印度-太平洋: 南非向東至日本，澳洲與夏威夷群島。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 143 cm TL 雄魚/尚未辨別雌雄; (Ref. 31444); 111.7 cm TL (female)
背棘 (總數) : 0. A bizarre-looking flabby stingray with a long, thick, fleshy snout (Ref. 5578). Dark violet-blue or brownish above, white below (Ref. 5578).
一個外表奇異的鬆軟魟具有一個長的﹐厚的﹐和肉質的吻。 (參考文獻 5578) 深紫藍色或上方褐色的, 腹面白色的.(參考文獻 5578)
Inhabits soft bottoms of upper continental slopes (Ref. 9906). Feeding habits unknown (Ref. 9906). Minimum depth from Ref. 58018. Probably caught with bottom trawls (Ref. 9906). Maximum length of female from Ref. 84148.
棲息於大陸坡上層的軟質底部。 (參考文獻 9906) 進食習慣未知。 (參考文獻 9906) 可能用底拖網捕獲了。 (參考文獻 9906)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
印度-太平洋: 南非向東至日本，澳洲與夏威夷群島。
Smith, M.M. and P.C. Heemstra, 1986. Hexatrygonidae. p. 142-143. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3966)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 04 May 2023
人類使用
漁業: 沒有興趣
工具
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Estimates based on models
Preferred temperature (Ref.
123201): 4.1 - 10.7, mean 6.6 °C (based on 1209 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (86 of 100).
