Halaelurus quagga, Quagga catshark

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Halaelurus quagga (Alcock, 1899)

Quagga catshark
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Halaelurus quagga
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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) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Halaelurus: halos (Gr.), sea; ailouros (Gr.), cat, probably an allusion to the vernacular “catshark,” so named for its cat-like eyes. (See ETYFish);  quagga: Etymology not explained, possibly referring to shark’s narrow vertical bars, similar to those of the zebra, Equus quagga. (See ETYFish).
More on author: Alcock.

Environment: milieu / climate zone / depth range / distribution range 生态学

海洋 居于水底的; 深度上下限 54 - 187 m (Ref. 58018). 深水域; 15°N - 8°N, 74°E - 76°E

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Western Indian Ocean: Somalia (Indian Ocean coast) and India (Arabian Sea), offshore on continental slope (Ref. 86593).
西印度洋: 索馬利亞與印度。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 31.5 cm TL 雄鱼/尚未辨别雌雄; (Ref. 86593); 36.8 cm TL (female)

简单描述 型态特徵 | 形态测量图

A small shark with numerous (>20) vertical stripes on the body without dark spots, snout tip knoblike but not prominently upturned. Eyes in adults 12–13 times in distance from snout to first dorsal origin. Anterior nasal flaps sub triangular. Gills dorsolaterally placed and elevated above the mouth level. First dorsal-fin origin about opposite pelvic-fin insertion. Light brown above with pale ventral side, dark brown cross bands on the body (Ref. 86593).

生物学特性     字汇 (例如 epibenthic)

Found on the continental shelves, (Ref. 244), on or near the bottom (Ref. 30573). Attains a maximum size of 37.0 cm TL; female of 36.8 cm TL was gravid and contained eight egg cases, four in each uterus (Ref. 86593). Feeds on shrimps. Collection by deep-sea shrimp trawlers may indicate that the species could have a wider depth distribution, possibly down to 280 m (Ref. 86593). Not utilized at present (Ref. 244).

栖息于大陆架了,(参考文献 244), 在底部上面或附近.(参考文献 30573) 目前未被人类利用.(参考文献 244)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼

西印度洋: 索馬利亞與印度。

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

Akhilesh, K.V., K K. Bineesh, C.P.R. Shanis, B.A. Human and U. Ganga, 2011. Rediscovery and description of the quagga shark, Halaelurus quagga (Alcock, 1899) (Chondrichthyes: Scyliorhinidae) from the southwest coast of India. Zootaxa 2781:40-48. (Ref. 86593)

世界自然保护联盟红皮书 (Ref. 130435)

  数据缺失 (DD) ; Date assessed: 09 February 2017

CITES

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
FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.2   ±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 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100).