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Elasmobranchii (sharks and rays) >
Squaliformes
(Sleeper and dogfish sharks) >
Squalidae
(Dogfish sharks)
Etymology:
Squalus:
Genus name from Latin 'squalus' meaning shark (Ref.
6885, 27436
)
.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; pelagic-oceanic; depth range 37 - 950 m (Ref.
26346
), usually 100 - 500 m (Ref.
89422
). Subtropical
Duffy, C.A.J. and P.R. Last
, 2007. Redescription of the northern spiny dogfish
Squalus griffini
Phillipps, 1931 from New Zealand. pp. 91-100. In P.R. Last, W.T. White and J.J. Pogonoski Descriptions of new dogfishes of the genus
Squalus (Squaloidea: Squalidae
). CSIRO Marine and Atmospheric Research Paper No. 014. 130 pp. (Ref.
58444
)
Preferred temperature (Ref.
123201
): 9.5 - 14.5, mean 13 °C (based on 29 cells).
Phylogenetic diversity index (Ref.
82804
): PD
50
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00170 - 0.00467), b=3.09 (2.95 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245
).
Trophic level (Ref.
69278
): 4.4 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179
): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153
): High to very high vulnerability (66 of 100).
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Page last modified by :
mrius-barile
- 20 July 2016
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