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Élasmobranches (requins et raies) (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 Écologie

marin; eau douce; saumâtre benthopélagique; profondeur 1 - 4 m (Ref. 76960). Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Oceania: Australia.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 124 cm WD mâle / non sexé; (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 Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur : McEachran, John | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)

Préoccupation mineure (LC) ; Date assessed: 18 May 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

FAO - Publication: search | FishSource |

Plus d'informations

Trophic ecology
Éléments du régime alimentaire
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs

Ecology
Écologie

Population dynamics
Paramètres de croissance
Max. ages / sizes
Length-weight rel.
Length-length rel.
Fréquences de longueurs
Mass conversion
Recrutement
Abondance

Life cycle
Reproduction
Maturité
Maturity/Gills rel.
Fécondité
Frai
Spawning aggregations
Œufs
Développement de l'œuf
Larves
Dynamique des populations larvaires

Distribution
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Zones FAO
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Introductions
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Anatomy
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Physiology
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Consommation d'oxygène
Type de nage
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Visual pigments
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Diseases & Parasites
Toxicity (LC50s)

Genetics
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Human related
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Stamps, coins, misc.

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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).

Niveau trophique (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)