Elasmobranchii (haaien en roggen) (sharks and rays) >
Rajiformes (Skates and rays) >
Rajidae (Skates)
Etymology: healdi: Named for David Heald, Department of Fisheries Western Australia. More on authors: Last, White & Pogonoski.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; marien bathydemersaal; diepteverspreiding 304 - 520 m (Ref. 75649). Deep-water; 15°S - 19°S, 115°E - 122°E (Ref. 114953)
Eastern Indian Ocean: off north-western Australia.
Size / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 58.7 cm TL mannelijk/geslacht niet bekend; (Ref. 75649); 72.3 cm TL (female)
Inhabits upper continental slope (Ref. 114953). Length of adolescent males between 38.0-50.6 cm TL, smallest juvenile 13.8 cm TL (Ref. 75649).
Life cycle and mating behavior
Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 123251)
CITES (Ref. 118484)
Not Evaluated
Gevaarlijk voor mensen
Harmless
Gebruik door de mens
Meer informatie
Leeftijd/GrootteGroeiLengte-gewicht parametersLengte-lengte parametersLengtefrequentiesMorfometrieMorfologieLarvenPopulatiedynamica van de larvenrecruteringAbundantie
ReferentiesAquacultuurAquacultuurprofielKweeklijnenGeneticaAlleelfrequentiesErfelijkheidZiektenVerwerkingMass conversion
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Estimates based on models
Preferred temperature (Ref.
115969): 8.7 - 11.8, mean 10.4 °C (based on 25 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00147 - 0.00681), b=3.22 (3.04 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 4.2 ±0.7 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid (Ref.
59153): Moderate to high vulnerability (51 of 100) .