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Largespine Velvet Dogfish

Centroscymnus macracanthus Regan 1906

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Diagnostic Description

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Dark brown or blackish in color, dorsal fins with fairly prominent fin spines, moderately long snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, stocky body that tapers abruptly from pectoral region, and moderately large tricuspidate and tricarinate lateral trunk denticles (Ref. 247).
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Recorder
Cristina V. Garilao
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Life Cycle

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Ovoviviparous (Ref. 26346). Distinct pairing with embrace (Ref. 205).
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Morphology

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Dorsal spines (total): 2; Analspines: 0; Analsoft rays: 0
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Trophic Strategy

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Found on continental and insular slopes. Occurs in large schools near the bottom which are segregated according to size and sex. Feeds on cephalopods and bony fishes.
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Drina Sta. Iglesia
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Biology

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A rare species inhabiting lower continental slopes (Ref. 26346), also on insular slopes in large schools near the bottom which are segregated according to size and sex, and feeds on cephalopods and bony fishes (Ref. 247). Up to 36 young in a litter, ths size at birth between 32 and 36 cm (Ref. 247). Used for fishmeal and liver oil (Ref. 6871). Minimum depth from Ref. 247. Ovoviviparous (Ref. 205).
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Kent E. Carpenter
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Importance

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fisheries: of no interest
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Largespine velvet dogfish

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The largespine velvet dogfish (Scymnodon macracanthus) is a shark of the family Somniosidae, found on the lower continental slopes between latitudes 50°S and 54°S in the southeast Pacific Ocean from the Straits of Magellan, and the southwest Pacific from New Zealand, at depths of between 650 and 920 m. Its length is up to 68 cm.[1][2]

Conservation status

The New Zealand Department of Conservation has classified the largespine velvet dogfish as "Not Threatened" with the qualifier "Uncertain whether Threatened Overseas" under the New Zealand Threat Classification System.[3]

References

Wikimedia Commons has media related to Proscymnodon macracanthus.
  1. ^ White, William T.; Vaz, Diego F. B.; Ho, Hsuan-Ching; Ebert, David A.; de Carvalho, Marcelo R.; Corrigan, Shannon; Rochel, Elisabeth; de Carvalho, Murilo; Tanaka, Sho (2015-01-01). "Redescription of Scymnodon ichiharai Yano and Tanaka 1984 (Squaliformes: Somniosidae) from the western North Pacific, with comments on the definition of somniosid genera". Ichthyological Research. 62 (2): 213–229. doi:10.1007/s10228-014-0430-y. ISSN 1616-3915.
  2. ^ Carpenter, Kent E.; Bailly, Nicolas (2019). "Centroscymnus macracanthus Regan, 1906 Largespine velvet dogfish". Fishbase. Retrieved 18 January 2019.
  3. ^ Duffy, Clinton A. J.; Francis, Malcolm; Dunn, M. R.; Finucci, Brit; Ford, Richard; Hitchmough, Rod; Rolfe, Jeremy (2018). Conservation status of New Zealand chondrichthyans (chimaeras, sharks and rays), 2016 (PDF). Wellington, New Zealand: Department of Conservation. p. 9. ISBN 9781988514628. OCLC 1042901090.
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Largespine velvet dogfish: Brief Summary

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The largespine velvet dogfish (Scymnodon macracanthus) is a shark of the family Somniosidae, found on the lower continental slopes between latitudes 50°S and 54°S in the southeast Pacific Ocean from the Straits of Magellan, and the southwest Pacific from New Zealand, at depths of between 650 and 920 m. Its length is up to 68 cm.

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