Elasmobranchii (haaien en roggen) (sharks and rays) >
Myliobatiformes (Stingrays) >
Dasyatidae (Stingrays) > Dasyatinae
Etymology: parvonigra: Name from Latin 'parvus' for little and 'nigra' for black, refers to its resemblance to a larger Australian species Dasyatis thetidis..
More on authors: Last & White.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien; brak water benthopelagisch; diepte 60 - 185 m (Ref. 114953). Tropical; 20°N - 20°S, 115°E - 128°E (Ref. 114953)
Eastern Indian Ocean and Western Central Pacific: Philippines to north-western Australia.
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm ?, range 35 - ? cm
Max length : 51.0 cm WD mannelijk / geslacht onbekend; (Ref. 114953)
This demersal species lives offshore on continental shelf, probably occasionally shallower; caught incidentally in trawl and net fisheries; llfe history unknown (Ref. 114953). Maximum length for females of similar form, possibly up to 49.8 cm WD (Ref. 76959).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Last, P.R. and W.T. White, 2008. Dasyatis parvonigra sp. Nov., a new species of stingray (Myliobatoidei: Dasyatidae) from the tropical eastern Indian Ocean. In Last, P.R., White, W.T. & Pogonoski, J.J. (eds.): Descriptions of New Australian Chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. (Ref. 76959)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
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Estimates based on models
Preferred temperature (Ref.
123201): 19.6 - 23, mean 21.5 °C (based on 8 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00646 (0.00265 - 0.01571), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.7 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).