Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (sharks and rays) > Rajiformes
(Skates and rays) > Rajidae
(Skates) > Rajinae
Etymology: Dipturus: Greek, di = two + Greek, pteryx = fin (Ref. 45335). More on authors: Last, White & Pogonoski.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 239 - 695 m (Ref. 75649). Deep-water; 18°S - 33°S, 150°E - 155°E (Ref. 114953)
Western Pacific: off eastern Australia.
Size / Weight / Age
Maturity: Lm ?  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
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. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 7.5 - 17.2, mean 12.4 (based on 75 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00131 - 0.00607), b=3.24 (3.06 - 3.42), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.8 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (52 of 100) .