Acroteriobatus andysabini

Weigmann, Ebert & Séret, 2021



Classification: Elasmobranchii Rhinopristiformes Rhinobatidae

Reference of the original description
Weigmann, S. & Ebert, D.A. & Séret, B. (2021)
Resolution of the Acroteriobatus leucospilus species complex, with a redescription of A. leucospilus (Norman, 1926) and descriptions of two new western Indian Ocean species of Acroteriobatus (Rhinopristiformes, Rhinobatidae). Marine Biodiversity, 51(4), Article 58


Images of types

Description :


Citation: Acroteriobatus andysabini Weigmann, Ebert & Séret, 2021: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 10/2021

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Acroteriobatus andysabini Weigmann, Ebert & Séret, 2021 SAIAB 97396, juvenile male holotype, 565 mm TL fresh, in total dorsal view taken directly after catching. Photograph by Elaine Heemstra, NRF-SAIAB © Weigmann, Ebert & Séret
Common names
eng Andy Sabins' guitarfish

Short Description
Original diagnosis of WEIGMANN, EBERT & SÉRET, 2021 [29760]: A large Acroteriobatus species distinguished by the following combination of characters: dorsal surface smooth, without prominent thorns or tubercles, except for enlarged granular denticles partially around orbital rims and irregularly distributed along midline from nape to somewhat anterior to first dorsal-fin origin; absent between dorsal fins and upper caudal fin. Snout semi-translucent with elongated bluish-gray spots giving “stripe-nosed” appearance, numerous small bluishgray spots covering disc and pectoral, pelvic, dorsal, and caudal fins on a brown background with larger, slightly darker, indistinct brown spots covering the tail and fin bases; outer edges of pelvic-fin margins white, lateral tail folds striped orange and white; ventral surface white, except for a V-shape pattern of faint to dark speckled black spots on snout tip. Nasal lamellae 42–48; upper jaw tooth row count ~80–87; 179–185 post-synarcual centra; 195–200 total vertebral segments; 64– 68 total pectoral skeleton radials.

Distribution
coastal waters surrounding Madagascar [29760]

Size / Weight / Age
TL (max): 603 mm [29760]

Habitat
marine; shallow coastal waters [29760]

Dentition
Teeth arranged in quincunx, small, close-set, rhombic, broad-based with short, bluntly rounded cusp; upper and lower teeth similar in shape and size; ~84 (~80–87) tooth rows in upper and ~79 (~80–87) in lower jaws. [29760]

Remarks
shark-references Species-ID=16139;