分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Myliobatiformes (Stingrays) >
Hexatrygonidae (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
生态学
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。 雖然一些其他的種曾經描述 ( Hexatrygon longirostrum , Hexatrygon yangi , Hexatrygon taiwanensis, Hexatrygon brevirostra), 但是,只有一個種 ( Hexatrygon bickelli) 被包括可能。 (參考文獻 35766)
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 143 cm TL 雄鱼/尚未辨别雌雄; (Ref. 31444); 111.7 cm TL (female)
背棘 (总数) : 0. A bizarre-looking flabby stingray with a long, thick, fleshy snout (Ref. 5578). Dark violet-blue or brownish above, white below (Ref. 5578).
一个外表奇异的松软 具有一个长的,厚的,和肉质的吻。 (参考文献 5578) 深紫蓝色或上方褐色的, 腹面白色的.(参考文献 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.
栖息于大陆坡上层的软质底部。 (参考文献 9906) 进食习惯未知。 (参考文献 9906) 可能用底拖网捕获了。 (参考文献 9906)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
印度-太平洋: 南非向東至日本,澳洲與夏威夷群島。 雖然一些其他的種曾經描述 ( Hexatrygon longirostrum , Hexatrygon yangi , Hexatrygon taiwanensis, Hexatrygon brevirostra), 但是,只有一個種 ( Hexatrygon bickelli) 被包括可能。 (參考文獻 35766)
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)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)
人类利用
渔业: 没有兴趣
工具
特别资料
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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).
营养阶层 (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (86 of 100).