Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Rajella: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335); challengeri: Named for FRV Challenger, used to survey the deepwater demersal fish resources of Tasmania in the 1980s..
More on authors: Last & Stehmann.

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

seewasser benthopelagisch; tiefenbereich 860 - 1500 m (Ref. 114953). Tropical; 32°S - 45°S, 130°E - 154°E (Ref. 114953)

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Eastern Indian Ocean and Southwest Pacific: New South Wales to Great Australian Bight (Australia) (Ref. 114953).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 56.1 cm TL Männchen/unbestimmt; (Ref. 75644)

A benthic species on continental slope (Ref. 114953). Observed to be still a juvenile at 49.5 cm TL, smallest at 16.7 cm TL, adult males 52.1-56.1 cm TL (Ref. 75644).

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

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

Last, P.R. and M.F.W. Stehmann, 2008. Rajella challengeri sp. nov., a new deepwater skate from southern Australia. pp. 135-144. In Last, P.R., W.T. White, J.J. Pogonoski and D.C. Gledhill (eds.): Descriptions of new Australian skates (Batoidea: Rajoidei) pg. 135-144. CSIRO marine and atmospheric research paper no. 021. (Ref. 75644)

IUCN Rote Liste Status (Ref. 130435)

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

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Trophic ecology
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Ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 2 - 5, mean 4.3 °C (based on 39 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [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).

Trophic level (Ref. 69278): 3.6 ±0.5 se; based on size and trophs of closest relatives

Widerstandsfähigkeit (Ref. 120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary low fecundity).

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (42 of 100).

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Rajella challengeri Last & Stehmann, 2008