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Elasmobranchii (Haie und Rochen) (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays) > Urogymninae
Etymology: Urogymnus: Greek, oura = tail + Greek, gymnos = naked (Ref. 45335); dalyensis: Named for the major Northern Australian river where the first confirmed species was first collected (Daly River, NT).
More on authors: Last & Manjaji-Matsumoto.

Environment: milieu / climate zone / depth range / distribution range Ökologie

seewasser; süßwasser; brackwasser benthopelagisch; tiefenbereich 1 - 4 m (Ref. 76960). Tropical

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Oceania: Australia.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 124 cm WD Männchen/unbestimmt; (Ref. 76960)

This benthic species is found mainly in rivers, estuaries and low salinity coastal environments. It feeds mainly on small fishes and prawns, which it actively pursues, even beaching itself to trap prey (Ref. 114953).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : McEachran, John | Partner

Last, P.R. and B.M. Manjaji-Matsumoto, 2008. Himantura dalyensis sp. nov., a new estuarine whipray (Myliobatoidei: Dasyatidae) from Northern Australia. 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. 76960)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

nicht bedroht (LC) ; Date assessed: 18 May 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01023 (0.00486 - 0.02155), b=3.06 (2.87 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.5 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Urogymnus dalyensis (Last & Manjaji-Matsumoto, 2008)