Scymnodalatias albicauda 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Chondrichthyes Squaliformes Somniosidae

Scientific Name: Scymnodalatias albicauda
Species Authority: Taniuchi & Garrick,1986
Common Name(s):
English Whitetail Dogfish

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Needs updating
Assessor(s): Duffy, C. (SSG Australia & Oceania Regional Workshop, March 2003)
Reviewer(s): Shark Specialist Group Australia & Oceania Regional Group (Shark Red List Authority)
This species appears to be widespread in the Southern Ocean but is known from very few specimens. It is naturally rare and there is insufficient information on its biology, distribution and exploitation to assess it beyond Data Deficient.

Geographic Range [top]

Range Description:Apparently circumglobal in the Southern Ocean.
Countries occurrence:
Australia (Tasmania, Western Australia); New Zealand
FAO Marine Fishing Areas:
Atlantic – southeast; Atlantic – southwest; Indian Ocean – western; Indian Ocean – eastern; Pacific – southeast; Pacific – southwest
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Depth range: 150 to 500 m. Upper slope (Pukaki Rise, New Zealand), possibly mesopelagic. Reaches at least 111 cm total length (TL). Size at maturity is unknown. The smallest mature female reported was 74 cm TL. This species appears to be highly fecund (litter size more than 59) however, the gestation period and pupping interval is unknown. Size at birth, age and growth, and diet are unknown.

Threats [top]

Major Threat(s): Infrequently taken in deepwater trawl and tuna longline fisheries.

Conservation Actions [top]

Conservation Actions: There are currently no conservation measures in place for this species.

Citation: Duffy, C. (SSG Australia & Oceania Regional Workshop, March 2003). 2003. Scymnodalatias albicauda. The IUCN Red List of Threatened Species 2003: e.T41855A10580679. . Downloaded on 26 February 2017.
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