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Scymnodon ringens  Barbosa du Bocage & de Brito Capello, 1864

Knifetooth dogfish
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Scymnodon ringens   AquaMaps   Data sources: GBIF OBIS
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Image of Scymnodon ringens (Knifetooth dogfish)
Scymnodon ringens
Picture by Serrano, A.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) > Squaliformes (Bramble, sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Scymnodon: Greek, skymnos, -ou = little lion + Greek, odous = teeth (Ref. 45335).

环境 / 气候 / 范围 生态学

; 海洋 深海区的; 深度上下限 200 - 1600 m (Ref. 247), usually 550 - 1450 m (Ref. 10717).    , preferred 19°C (Ref. 107945); 58°N - 15°N

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

Eastern Atlantic: along the slope from Scotland to Spain, Portugal, Senegal. Southwest Pacific: New Zealand (Ref. 26346).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 110 cm TL 雄鱼/尚未辨别雌雄; (Ref. 247)

简单描述 型态特徵 | 形态测量图

臀棘 0; 臀鳍软条: 0. Black in color; small dorsal fin spines; short snout; small lanceolate teeth without cusplets in upper jaw and huge high, knife-cusped cutting teeth in lower jaw; mouth very wide and broadly arched; caudal fin with weak subterminal notch and no lower lobe (Ref. 247).

生物学特性     字汇 (例如 epibenthic)

A rare species (Ref. 26346) inhabiting continental slopes (Ref. 247). Usually mesopelagic although taken most often near the bottom (Ref. 10717). Its razor-edged lower teeth is used to attack and dismember large prey (Ref. 247). Ovoviviparous (Ref. 205). Utilized dried salted for human consumption and for fishmeal (Ref. 247).

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

Probably ovoviviparous (Ref. 247). Distinct pairing with embrace (Ref. 205).

主要参考文献 Upload your references | 参考文献 | 合作者 | 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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

世界自然保护联盟红皮书 (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

对人类的威胁

 




人类利用

渔业: 低经济
FAO(渔业: 产生; publication : search) | FisheriesWiki | 周边海洋

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