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Insentiraja subtilispinosa (Stehmann, 1989)

Velvet 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.
Insentiraja subtilispinosa   AquaMaps   Data sources: GBIF OBIS
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Image of Insentiraja subtilispinosa (Velvet skate)
No image available for this species;
drawing shows typical species in Arhynchobatidae.

Philippines country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality: off Manila, Philippines, Coriolis sta. 56, 13°57.7'N, 119°56.3'E, s. China Sea, 970 m (Ref. 12965), MNHN 1985 134 (holotype of Notoraja subtilispinosa, 41.5 cm TL, 19.2 cm DW, adolescent male) (Ref. 47737).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Compagno, L.J.V., P.R. Last, J.D. Stevens and M.N.R. Alava, 2005
National Database:

Common names from other countries

Western looseskin skate, Fløjlsrokke, Fluweelrog, ... more

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) > Arhynchobatidae (Softnose skates)
Etymology:

Environment: milieu / climate zone / depth range / distribution range 生態學

海洋 深海底的; 深度上下限 970 - 1100 m (Ref. 47737).   熱帶; 21°N - 31°S, 111°E - 125°E (Ref. 114953)

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Western Central Pacific: Philippines. Eastern Indian Ocean: western Australia (Ref. 114953)
中西太平洋。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 55.2 cm TL (female)

生物學特性     字彙 (例如 epibenthic)

Bottom-dweller that feeds on invertebrates. Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205). Males reaches maturity at ca. 50cm TL (Ref. 114953).

底棲魚類捕食無脊椎動物。 卵生的.(參考文獻 50449) 卵在貝殼上有像觸角一樣的突出。 (參考文獻 205)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).中西太平洋。

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

McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 09 May 2015

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的 (Ref. 9935)




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Estimates based on models

Preferred temperature (Ref. 115969): 3.5 - 5.4, mean 4.7 (based on 22 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00273 - 0.01106), b=3.10 (2.93 - 3.27), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.5   ±0.37 se; based on food items.
回復力 (Ref. 120179):  低的, 最小族群倍增時間4.5 - 14 年 (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (42 of 100).