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词条 Longsnout dogfish
释义

  1. Conservation status

  2. References

{{speciesbox
| name = Longsnout dogfish
| status = NT
| status_system = IUCN3.1
| status_ref = [1]
| image = Acanthidium quadrispinosum.jpg
| genus = Deania
| species = quadrispinosa
| range_map = Deania quadrispinosum distmap.png
| range_map_caption = Range of longsnout dogfish (in blue)
| authority = (McCulloch, 1915)
}}{{Portal|Sharks}}

The longsnout dogfish (Deania quadrispinosa) is a little-known deepwater dogfish, found in the Atlantic and Indian Oceans from Namibia to Mozambique and in the South Pacific off southern Australia and New Zealand.[2]

The longsnout dogfish has an extremely long, angular snout, no anal fin, dorsal fins of similar size with the first placed high on the back and the second having a longer rear free tip, and pitchfork-shaped dermal denticles. It is dark brown and grows to about 114 cm.[2]

Reproduction is ovoviviparous.[2]

This shark lives at depths between 150 and 732 m. It eats bony fish.[2]

Conservation status

In June 2018 the New Zealand Department of Conservation classified the longsnout dogfish as "Data Deficient" with the qualifier "Secure Overseas" under the New Zealand Threat Classification System.[3]

References

1. ^Ebert, D.A. & Valenti, S.V. 2009. Deania quadrispinosa. The IUCN Red List of Threatened Species 2009: e.T161635A5469573. https://dx.doi.org/10.2305/IUCN.UK.2009-2.RLTS.T161635A5469573.en. Downloaded on 01 November 2017.
2. ^{{Cite web|url=http://www.fishbase.org/summary/Deania-quadrispinosa.html|title=Deania quadrispinosa (McCulloch, 1915) Longsnout dogfish|last=Carpenter|first=Kent E.|last2=Bailly|first2=Nicolas|date=2019|website=Facebook|archive-url=|archive-date=|dead-url=|access-date=19 January 2019}}
3. ^{{Cite book|url=https://www.doc.govt.nz/globalassets/documents/science-and-technical/nztcs23entire.pdf|title=Conservation status of New Zealand chondrichthyans (chimaeras, sharks and rays), 2016|last=Duffy|first=Clinton A. J.|last2=Francis|first2=Malcolm|last3=Dunn|first3=M. R.|last4=Finucci|first4=Brit|last5=Ford|first5=Richard|last6=Hitchmough|first6=Rod|last7=Rolfe|first7=Jeremy|publisher=Department of Conservation|year=2018|isbn=9781988514628|location=Wellington, New Zealand|pages=10|oclc=1042901090}}
{{Selachimorpha|S.}}{{Taxonbar|from=Q2026135}}{{DEFAULTSORT:dogfish, longsnout}}

4 : Deania|Fish of Oceania|Marine fauna of Southern Africa|Fish described in 1915

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