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: Haploblepharus: haplos (Gr.), single or simple; blepharon (Gr.), eyelid, referring to simple structure of lower eyelid, which closes against upper eyelid to protect the eye. (See ETYFish); edwardsii: In honor of English naturalist George Edwards (1694-1773), known as the “father of British ornithology,” who was the first to illustrate this shark, in 1760. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 0 - 130 m (Ref. 5510), usually 40 - 130 m (Ref. 5510). 亞熱帶的; 29°S - 35°S
Southeast Atlantic: Cape Agulhas to Natal in South Africa. There are two different forms of this species, the 'Cape' and 'Natal' types, which differ in coloration and habitat and might be geographic variants or two distinct species (Ref. 6782).
東南大西洋: Agulhas海岬到南非的納塔爾。 有這種的二個不同的型式,'岬' 與 '納塔爾' 類型, 不同體色與棲息地而且可能是地理的變種或二個不同的種.(參考文獻 6782)
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ?, range 41 - ? cm
Max length : 59.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 244); 60.0 cm TL (female)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 臀棘: 0. Southeastern Cape form: sandy brown with 7 reddish-brown saddles bordered by black, and numerous small, dark brown and white spots between saddles; white below (Ref. 5578). Natal form: body cream in color with darker brown saddles and irregular white spots; white below (Ref. 5578).
东南角造型: 黄棕色且有与黑色接壤的 7个红褐色的鞍状斑 , 与在鞍状斑之间的很多小，深褐色的与白色的斑点; 腹面白色的.(参考文献 5578) 纳塔尔形式: 身体乳黄色的颜色有深褐色的鞍状斑与不规则的白色斑点; 腹面白色的.(参考文献 5578)
Found in inshore and offshore waters of the continental shelf, on sandy and rocky bottoms (Ref. 244). Feeds on bony fishes, crustaceans and cephalopods (Ref. 244). Oviparous (Ref. 50449). Caught by surf anglers (Ref. 244).
在沙与岩石的底部上, 发现于大陆架的近岸与外海水域了。 (参考文献 244) 吃硬骨鱼类，甲壳动物与头足类动物。 (参考文献 244) 卵生的.(参考文献 50449) 被海边垂钓者捕获了。 (参考文献 244)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Oviparous, with 1 egg-case laid per oviduct (Ref. 244). Embryos feed solely on yolk (Ref. 50449).東南大西洋: Agulhas海岬到南非的納塔爾。 有這種的二個不同的型式,'岬' 與 '納塔爾' 類型, 不同體色與棲息地而且可能是地理的變種或二個不同的種.(參考文獻 6782)
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
世界自然保护联盟红皮书 (Ref. 130435)
濒危 (EN) (A2bcd); Date assessed: 01 August 2019
人类利用
渔业: 自给性渔业; 游钓鱼种: 是的
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特别资料
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Estimates based on models
Preferred temperature (Ref.
123201): 12.8 - 20.5, mean 16.3 °C (based on 24 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [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): 3.8 ±0.3 se; based on diet studies.
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (Fec assumed to be <10).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 29.5 [4.8, 158.9] mg/100g; Iron = 0.746 [0.202, 2.212] mg/100g; Protein = 18.4 [15.3, 21.4] %; Omega3 = 0.195 [0.086, 0.425] g/100g; Selenium = 20.3 [6.1, 57.3] μg/100g; VitaminA = 11.3 [4.0, 31.8] μg/100g; Zinc = 0.647 [0.307, 1.195] mg/100g (wet weight);
