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Scymnodon ringens  Barbosa du Bocage & de Brito Capello, 1864

Knifetooth dogfish
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Scymnodon ringens   AquaMaps   Data sources: GBIF OBIS
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Image of Scymnodon ringens (Knifetooth dogfish)
Scymnodon ringens
Picture by Serrano, A.

Classification / Names आम नाम | उपशब्द | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

इलाज़मौबरांकी (शारक और रेज़) (sharks and rays) > Squaliformes (Bramble, sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Scymnodon: Greek, skymnos, -ou = little lion + Greek, odous = teeth (Ref. 45335).

पर्यावरण / जलवायु / सीमा पारिस्थितिकी

; समुद्री बैथीपिलाजिक; गहराई सीमा 200 - 1600 m (Ref. 247), usually 550 - 1450 m (Ref. 10717).   Deep-water, preferred 19°C (Ref. 107945); 58°N - 15°N

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

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

आकार / वज़न / Age

Maturity: Lm ?  range ? - ? cm
Max length : 110 cm TL पुल्लिंग / अलिंग; (Ref. 247)

Short description आकृति विज्ञान | मौरफोमैटरिक्स

गुदा कांटा 0; ऐनल सौफट रेज़: 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).

जीवविज्ञान     शब्द संग्रह (उदाहरणार्थ 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 परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

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

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

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)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Traumatogenic




Human uses

मात्स्यिकी: लघु वाणिज्य
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