Neotrygon australiae, Australian bluespotted maskray

Neotrygon australiae Last, White & Serét, 2016

Australian bluespotted maskray
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Neotrygon australiae   AquaMaps   Data sources: GBIF OBIS
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Image of Neotrygon australiae (Australian bluespotted maskray)
No image available for this species;
drawing shows typical species in Dasyatidae.

Classificatie / Namen Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays) > Neotrygoninae
Etymology: australiae: Name referring to the Australasian distribution of this member of bluespotted mask ray complex. of the genus Neotrygon.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien demersaal; diepte 23 - 91 m (Ref. 116741). Tropical

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Eastern Indian Ocean to Western Pacific: Australia, Papua New Guinea and Indonesia.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 41.0 cm WD mannelijk / geslacht onbekend; (Ref. 116741); 45.2 cm WD (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

This species of the kuhlii-complex (reaching at least 45 cm DW; males maturing at ca. 28 cm DW) is distinguished by the following set of characters: disc is much broader than long, width 1.2-1.3 times length; pectoral apices are narrowly angular; snout fleshy, broadly rounded to weakly angular, with angle 101-103°, length 1.6-2.1 times interorbital width; maximum width relatively well back on disc, length from snout tip to pectoral-fin insertion 1.7-1.8 times and disc width 2.3-2.5 times horizontal distance from snout tip to maximum disc width; preoral length 1.8-2.3 times the mouth width; internasal distance 1.3-1.6 in prenasal length; interspiracular distance 14-16% DW; nostril length 3.4-4% DW; nasal curtain width 8.4-9.1% DW; with small mouth, width 6.5-7.3% DW; horizontal distance from cloaca to the caudal sting base 42-52% of disc length; with thornlets in nuchal and lumbar regions in large individuals, none from tail in all sizes; no dermal denticles entirely from body; pectoral-fin radials 105-113; total vertebral centra (including synarcual) 129-134, trunk centra (including synarcual) 37-41; with large blue spots, the largest spot on disc 0.7-1.2 times eye width; 2-17 (mean 9.4) blue spots on medial belt, largest 3.3-5.6% DW; mask-like marking subtle, usually lightly covered with dark peppery spots (dark spots not widespread over central disc); the ventral surface of disc with distinct dark greyish brown submarginal bands; ventral tail fold is almost entirely dark (Ref. 116741).
Body shape (shape guide): other; Cross section: flattened.

Biologie     Verklarende woordenlijst (bv. epibenthic)

A demersal fish found inshore to mid-continental ad insular shelves (Ref. 114953). Found over and adjacent to rocky and coral reefs from shallow water to at least 91 m depth (Ref. 116741).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Last, P.R., White, W.T. and B. Séret, 2016. Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific. Zootaxa 4083(4):533-561. (Ref. 116741)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Gevoelig (NT) (A2d); Date assessed: 15 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01096 (0.00348 - 0.03450), b=3.11 (2.85 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278)
3.4   ±0.3 se; based on size and trophs of closest relatives
Kwetsbaarheid van de visserij
(Ref. 59153)
Moderate vulnerability (40 of 100). 🛈