Aptychotrema timorensis Last, 2004
Spotted shovelnose ray
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Family:  Trygonorrhinidae (Banjo rays, Fiddler rays)
Max. size:  58.2 cm TL (male/unsexed)
Environment:  benthopelagic; marine; depth range - 124 m
Distribution:  Western Pacific: Arafura Sea, northern Australia.
Diagnosis:  This species is distinguished by the following combination of characters: disc relatively large, broadly wedge-shaped, with a narrowly pointed snout; orbit diameter equal to interorbital width; tail short, about 1.1 times precIoacal length; mouth small, precloacal length about 8 times mouth width; first dorsal-fin short, length 6% TL, ca 2.3 times in interdorsal distance; dorsal-fin apices angular; caudal fin short, dorsal margin 12% TL; pelvic fin large, length about 2.8 times its width; post-synarcual vertebral centra 156; nasal lamellae 27; ventral tip of snout not black-tipped; dorsal surface covered with small, white spots (Ref. 58070).
Biology:  A benthic species found inshore on mid-continental shelf. Biology little known. Maturity size of only two males known at 48-50 cm TL (Ref. 114953).
IUCN Red List Status: Vulnerable (VU); Date assessed: 20 February 2015 (B1ab(v)) Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Capuli, Estelita Emily - 13.04.07
Modified by: Abucay, Luisa - 08.08.19

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