| Whitetail dogfish | |
|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | Elasmobranchii |
| Subdivision: | Selachimorpha |
| Order: | Squaliformes |
| Family: | Somniosidae |
| Genus: | Scymnodalatias |
| Species: | S. albicauda
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| Binomial name | |
| Scymnodalatias albicauda Taniuchi & Garrick, 1986
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| Range of the whitetail dogfish (in blue) | |
The whitetail dogfish (Scymnodalatias albicauda) is a very rare sleeper shark of the family Somniosidae, found from the eastern Indian Ocean round southern Australia to New Zealand, at depths of between 150 and 500 m. Its length is up to 1.1 m.[2]
The whitetail dogfish is a rare species known only from a few specimens taken by tuna longliners and trawlers. The dorsal fins are small, the pectoral fins are angular, and there is an asymmetric caudal fin with a dark-tipped upper lobe. Coloration is grey and white, mottled with large brown or black spots, the tail mostly white with black tips.
The whitetail dogfish is ovoviviparous, with at least 59 pups per litter.[2]
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Conservation status
In June 2018 the New Zealand Department of Conservation classified the whitetail dogfish as "Data Deficient" with the qualifier "Uncertain whether Secure Overseas" under the New Zealand Threat Classification System.[3]
References
- ^ Finucci, B.; Kyne, P.M. (2018). "Scymnodalatias albicauda". IUCN Red List of Threatened Species. 2018: e.T41855A68643273. doi:10.2305/IUCN.UK.2018-2.RLTS.T41855A68643273.en. Retrieved 18 November 2021.
- ^ a b Garilao, Cristina V.; Bailly, Nicolas. "Scymnodalatias albicauda Taniuchi & Garrick, 1986 Whitetail dogfish". Fishbase. Retrieved 21 January 2019.
- ^ 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. 11. ISBN 9781988514628. OCLC 1042901090.
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This page was last edited on 18 November 2021, at 04:21