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Dentiraja healdi (Last, White & Pogonoski, 2008)

Heald’s skate
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Dentiraja healdi   AquaMaps   Data sources: GBIF OBIS
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Image of Dentiraja healdi (Heald’s skate)
No image available for this species;
drawing shows typical species in Rajidae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii 板鰓亞綱 (鯊魚與魟魚) (sharks and rays) > Rajiformes (Skates and rays) 鰩目 (Skates and rays) > Rajidae (Skates) 鰩科 (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 生態學

海洋 深海底的; 深度上下限 304 - 520 m (Ref. 75649). ; 15°S - 19°S, 115°E - 122°E (Ref. 114953)

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Eastern Indian Ocean: off north-western Australia.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 58.7 cm TL 雄魚/尚未辨別雌雄; (Ref. 75649); 72.3 cm TL (female)

生物學特性     字彙 (例如 epibenthic)

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 Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 : McEachran, John | 合作者

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 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 25 April 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Preferred temperature (Ref. 123201): 8.7 - 11.8, mean 10.4 °C (based on 25 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5010   [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).
營養階層 (Ref. 69278):  4.2   ±0.7 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Preliminary low fecundity).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (49 of 100).