Élasmobranches (requins et raies) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: leptoura: Name from Greek 'leptos' meaning fine, thin or delicate and 'oura' for tail, refers to its somewhat filamentous tail..
More on authors: Last & Gledhill.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin benthopélagique; profondeur 202 - 735 m (Ref. 75645). Tropical; 11°S - 33°S, 111°E - 124°E (Ref. 114953)
Eastern Indian Ocean: off western Australia (Ref. 114953).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 48.6 cm TL mâle / non sexé; (Ref. 75645); 55.5 cm TL (female)
Inhabits upper continental slope (Ref. 114953). Length of adolescent males 32.7-46.3 cm TL, some individuals with no clasper development at 35.6 cm TL; males mature at 39.4-48.6 cm TL, with smallest juvenile at 14.7 cm TL (Ref. 75645).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Last, P.R. and D.C. Gledhill, 2008. Two new skates of the genus Okamejei (Rajoidei: Rajiidae) from south-east Indian Ocean. In Last. P.R., W.T. White, J.J. Pogonoski and D.C. Gledhill (eds) : Descriptions of new Australian skates (Batoidea: Rajoidei) pg. 119-134. CSIRO marine and atmospheric research paper no. 021. (Ref. 75645)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 8.8 - 13, mean 11.3 °C (based on 59 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00141 - 0.00645), b=3.24 (3.07 - 3.41), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.1 ±0.6 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).