Elasmobranchii (hajar och rockor) (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Irolita: From Irolita, a princess in love with prince Parcinus. The beauty of the princess was worthly the world´s admiration. Mythology; westraliensis: Named for Western Australia from where this species occirs..
More on authors: Last & Gledhill.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande; djupintervall 142 - 209 m (Ref. 75641). Subtropical; 19°S - 28°S, 111°E - 120°E (Ref. 114953)
Eastern Indian Ocean: Australia.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 43.0 cm TL hane/ej könsbestämd; (Ref. 75641)
Found on outer continental shelf. Life history unknown. Males reaches maturity at ca. 35 cm TL. Caught rarely and discarded as bycatch (Ref. 114953).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Last, P.R. and D.C. Gledhill, 2008. A new species of round skate, Irolita westraliensis sp. nov. (Rojoidei: Aehynchobatidae), from northern Western Australia. pp. 173-181. In Last, P.R., W.T. White, J.J. Pogonoski and D.C. Gledhill (eds.): Descriptions of new Australian skates (Batoidea: Rajoidei). CSIRO marine and atmosheric research paper no. 021. (Ref. 75641)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 14.6 - 20.4, mean 20.1 °C (based on 7 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00273 - 0.01106), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.7 ±0.7 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).