Elasmobranchii (haaien en roggen) (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
Ecologie
marien benthopelagisch; diepte 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).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 112 cm TL mannelijk / geslacht onbekend; (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).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
Download XML
Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 1.9 - 8.7, mean 6.7 °C (based on 239 cells).
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Zeer laag, minimale populatieverdubbelingstijd meer dan 14 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (77 of 100).