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Scyliorhinus cervigoni Maurin & Bonnet, 1970

West African catshark
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Scyliorhinus cervigoni   AquaMaps   Data sources: GBIF OBIS
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Image of Scyliorhinus cervigoni (West African catshark)
Scyliorhinus cervigoni
Picture by FAO

Guinea country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gv.html
National Fisheries Authority: http://www.fis-net.com/guinea
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., 1984
National Database:

Common names from other countries

Roussette thalassa, Alitán africano, غرَّاء غرب إفريقيا, ... more

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) 白眼鮫目 (Ground sharks) > Scyliorhinidae (Cat sharks) 貓鮫科(Cat sharks) (Cat sharks) > Scyliorhininae
Etymology: Scyliorhinus: skylion, Greek for dogfish or small shark; rhinus, from rhine (Gr.), rasp, alluding to a shark’s jagged, rasp-like skin. (See ETYFish);  cervigoni: In honor of Venezuelan ichthyologist Fernando Cervigón Marcos (1930-2017), who recognized this shark as a distinct species in 1960. (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 45 - 500 m.   深水域; 11°C - 16°C (Ref. 244); 20°N - 17°S

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

Eastern Atlantic: probably wide-ranging off tropical West Africa, from Mauritania to Angola (Ref. 244). Often previously referred to as Scyliorhinus stellaris (Ref. 244, 127434).
東大西洋: 可能廣泛分佈外海的熱帶非洲西方部, 從茅利塔尼亞到安哥拉。 時常被歸屬於 Scyliorhinus stellaris 在以前。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 67.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 244); 76.0 cm TL (female)

生物学特性     字汇 (例如 epibenthic)

Found on rocky and muddy bottoms of the continental shelf and upper slope. Temperature: 11-16°C. Salinity: 30 ppt. Oxygen: 1.0-1.6 ml/l. Feeds on bony fishes. Oviparous (Ref. 50449).

栖息于了岩石的与大陆架与上层斜坡的泥底部。 温度: 11-16个 ° C. 盐度: 30个 ppt。 氧: 1.0-1.6 毫升/l。 吃硬骨鱼类。 卵生的.(参考文献 50449)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).東大西洋: 可能廣泛分佈外海的熱帶非洲西方部, 從茅利塔尼亞到安哥拉。 時常被歸屬於 Scyliorhinus stellaris 在以前。

主要参考文献 Upload your references | 参考文献 | 合作者 : Compagno, Leonard J.V. | 合作者

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)

  数据缺失 (DD) ; Date assessed: 31 August 2020

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: 自给性渔业
FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 12.4 - 15.8, mean 14.3 (based on 29 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00139 - 0.00497), b=3.21 (3.04 - 3.38), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  4.5   ±0.80 se; based on food items.
回复力 (Ref. 120179):  非常低的, 最小族群倍增时间超过14 年 (Fec=2).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (50 of 100).
价格分类 (Ref. 80766):   Medium.