Elasmobranchii (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335); wengi: Named for Mr. Herman Weng, a Queensland fisheries biologist..
More on authors: Séret & Last.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 486 - 1049 m (Ref. 75647), usually 600 - 1000 m (Ref. 114953). Temperate; 16°S - 44°S, 143°E - 156°E (Ref. 114953)
Western Pacific to Southwest Pacific: Queensland to Tasmania (Australia) (Ref. 114953).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 112 cm TL male/unsexed; (Ref. 75647); 128.0 cm TL (female)
Occurs on the continental slope off tropical and temperate eastern Australia (Ref. 75647). Adults mainly feed on bony fishes (Ref. 114953). Lengths of adolescent males recorded 108.1-112.2 cm TL, smallest juvenile 25.2 cm TL (Ref. 75647).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Seret, B. and P.R. Last, 2008. A new Australian skate of the genus Dipturus (Rajoidei: Rajidae). In Last, P.R., W.T. Whiteman, J.J. Pogonoski and D.C. Gledhill (eds.) : Description of new Australian skates (Batoidea: Rajoidei) pg. 99-108. CSIRO marine and atmospheric research paper no. 021. (Ref. 75647)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 1.9 - 8.7, mean 6.7 °C (based on 239 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 (0.00133 - 0.00596), b=3.25 (3.08 - 3.42), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.6 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): Very high vulnerability (77 of 100).