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Elasmobranchii (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335).
More on authors: Last, White & Pogonoski.

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

Marine; bathypelagic; depth range 239 - 695 m (Ref. 75649). Deep-water; 18°S - 33°S, 150°E - 155°E (Ref. 114953)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: off eastern Australia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 77.7 cm TL male/unsexed; (Ref. 75649)

Found on upper continental slope (Ref. 114953). Lengths of juvenile males ranged between 23.3-34.3 cm TL, smallest juvenile 20.4 cm TL (Ref. 75649). Males reached maturity at ca. 63 cm TL (Ref. 114953).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

Last, P.R., W.T. White and J.J. Pogonoski, 2008. New skates of the genus Dipturus (Rajoidei: Rajidae) from Australian Seas. pp. 9-52. In Last, P.R., W.T. White, J.J. Pogonoski and D.C. Gledhill (eds.): Descriptions of new Australian skates (Batoidea: Rajoidei) pg. 9-51. CSIRO marine and atmospheric reseach paper no. 021. (Ref. 75649)

IUCN Red List Status (Ref. 126983)

Data deficient (DD) ; Date assessed: 25 April 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

More information

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Ecology
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Common names
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Ecotoxicology
Reproduction for Dipturus melanospilus' title='Reproduction for Dipturus melanospilus' target='_blank'>Reproduction
Maturity for Dipturus melanospilus' title='Maturity for Dipturus melanospilus' target='_blank'>Maturity
Spawning
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Eggs
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Age/Size
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References
Aquaculture
Aquaculture profile for Dipturus melanospilus' title='Aquaculture profile for Dipturus melanospilus' target='_blank'>Aquaculture profile
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Internet sources

Estimates based on models

Preferred temperature (Ref. 123201): 7.5 - 17.2, mean 12.4 °C (based on 75 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00302 (0.00138 - 0.00659), b=3.23 (3.06 - 3.40), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.8 ±0.6 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Low, minimum population doubling time 4.5 - 14 years (Preliminary low fecundity).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (51 of 100).

Dipturus melanospilus Last, White & Pogonoski, 2008