Neotrygon caeruleopunctata

LAST, WHITE & SÉRET, 2016



Classification: Elasmobranchii Myliobatiformes Dasyatidae

Reference of the original description
LAST, P.R. & WHITE, W.T. & SÉRET, B. (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



Description :


Citation: Neotrygon caeruleopunctata LAST, WHITE & SÉRET, 2016: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 02/2019

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Holotype of Neotrygon caeruleopunctata sp. nov. (MZB unreg [ex CSIRO H 7852-03]), adolescent male, 225 mm DW) from Bali, Indonesia (preserved): (A) dorsal view; (B) ventral view.
Common names
Bluespotted Maskray

Short Description
Original Diagnosis after LAST, WHITE & SÉRET, 2016 [23790]: A large Neotrygon of the kuhlii-complex (reaching at least 47 cm DW; males maturing at 31 cm DW) with the following combination of characters: disc much broader than long, width 1.2–1.3 times length; pectoral apices abruptly angular; snout fleshy, broadly rounded to obtuse, angle 125–130°, length 1.8–2.4 times interorbital width; maximum width relatively well forward on disc, length from snout tip to pectoral-fin insertion 1.9–2 times and disc width 2.6–2.9 times horizontal distance from snout tip to maximum disc width; preoral length 1.6–2.3 times mouth width; internasal distance 1.4–1.8 in prenasal length; interspiracular distance 13–14% DW; nostril length 2.5–3.5% DW; nasal curtain width 8–9.4% DW; small mouth, width 6.6–7.9% DW; horizontal distance from cloaca to caudal sting base 51–56% of disc length; thornlets present in nuchal and lumbar regions in large individuals, absent from tail in all sizes; dermal denticles entirely absent from body; pectoral-fin radials 105– 110; total vertebral centra (including synarcual) 133–142, trunk centra (including synarcual) 38–43; blue spots medium-sized, largest spot on disc 0.5–0.8 times eye width; 0–3 (mean 0.8) blue spots on medial belt, largest 1.7– 2.7% DW; mask-like marking dark, not covered with dark peppery spots; ventral surface of disc and pelvic fins with sharply defined dark greyish brown submarginal bands; ventral tail dark before caudal sting; ventral tail fold almost entirely dark in young.

Distribution
Bali and southern Central Java in Indonesia [23790]

Size / Weight / Age
male: 311 mm DW; female: 247–350 mm DW (types) [23790]

Habitat
marine [23790]

Remarks
shark-references Species-ID=14548;