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Hexatrygon bickelli Heemstra & Smith, 1980

Sixgill stingray
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Hexatrygon bickelli   AquaMaps   Data sources: GBIF OBIS
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Image of Hexatrygon bickelli (Sixgill stingray)
Hexatrygon bickelli
Picture by Shao, K.T.


India country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: First record, found in south-west coast of India (Ref. 87313); Andaman and Nicobar Islands (Ref. 118627).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/in.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Babu, S., S. Ramachandran and C. Varghese, 2011
National Database:

Common names from other countries

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | 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).

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

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

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)

简单描述 检索表 | 型态特徵 | 形态测量图

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)

生物学特性     字汇 (例如 epibenthic)

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 Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 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)

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

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)

  最不相关 (LC) ; Date assessed: 05 May 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业: 没有兴趣
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网络资源

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Estimates based on models

Preferred temperature (Ref. 115969): 4.1 - 10.7, mean 6.6 (based on 1209 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 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).