Aetomylaeus caeruleofasciatus

WHITE, LAST & BAJE, 2015



Classification: Elasmobranchii Myliobatiformes Myliobatidae

Reference of the original description
WHITE, W.T. & LAST, P.R. & BAJE, L. (2016)
Aetomylaeus caeruleofasciatus, a new species of eagle ray (Myliobatiformes: Myliobatidae) from northern Australia and New Guinea. Ichthyological Research, 63 (1): 94–109

Image of the original description

Aetomylaeus caeruleofasciatus WHITE, LAST & BAJE, 2015; Dorsal view, juvenile paratype CSIRO CA 1254, male 230 mm DW, fresh © William T. White, Peter R. Last, Leontine Baje



Description :


Citation: Aetomylaeus caeruleofasciatus WHITE, LAST & BAJE, 2015: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 03/2017

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Aetomylaeus caeruleofasciatus WHITE, LAST & BAJE, 2015; Holotype, (CSIRO H 6629-01, adult male 436 mm DW, preserved), dorsal and ventral view (excluding tail) © William T. White, Peter R. Last, Leontine Baje
Common names
Blue-banded Eagle Ray

Short Description
Original Diagnosis after WHITE, LAST & BAJE, 2015 [22847]: A small Aetomylaeus (attaining about 590 mm DW) with the following combination of characters: dorsal surface greenish to yellowish brown with a series of seven transverse pale bluish bands (sometimes faint), without dark spots or blotches; ventral surface whitish, pectoral fins usually not dusky distally; tail rather long (1.5–1.8 times DW); no stinging spine; head short and narrow; rostral lobe fleshy, relatively broad, short, with a rounded apex; teeth in seven rows in each jaw, with a broad median row flanked by three smaller rows on each side; dorsal-fin origin level with pelvic-fin insertions; pectoral-fin radials 84–88 (excluding concealed propterygial radials anterior of eyes); total vertebral centra (including synarcual) 80–86; males with 14 or 15 pelvic radials (excluding clasper); females with 20 or 21 pelvic radials; males mature by 434 mm DW.

Distribution
Restricted to northern Australia and New Guinea [22847]

Size / Weight / Age
TL max (holotype): 988 mm TL, 323 mm TL (pup); 140 to 592 mm DW (types) [22847]

Habitat
marine; depth range 8–117 m [22847]

Dentition
Original Diagnosis after WHITE, LAST & BAJE, 2015 [22847]: Teeth in seven rows in each jaw, coalesced to form plates; middle series of teeth in both jaws broad and hexagonal, flanked by three rows of much smaller, similarly sized, diamond-shaped teeth on each side arranged in a pavement-like fashion; median tooth row transverse in upper jaw, slightly curved in lower jaw; median tooth row 6–8 times width of lateral tooth rows; lower jaw tooth plate width 4.2 (3.8–4.8)% DW, upper jaw tooth plate width 4.5 (4.4–5.7)% DW.