Elasmobranchi (squali e razze) (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.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino; acqua dolce; salmastro benthopelagico; distribuzione batimetrica 1 - 4 m (Ref. 76960). Tropical
Oceania: Australia.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 124 cm WD maschio/sesso non determinato; (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).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00482 - 0.02174), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Vulnerabilità della pesca (Ref.
59153): Very high vulnerability (90 of 100).
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