Plesiobatis daviesi (Wallace, 1967)
Deep-water stingray
photo by Myers, R.F.

Family:  Plesiobatidae (Deepwater stingrays)
Max. size:  270 cm TL (male/unsexed)
Environment:  bathydemersal; depth range 44 - 780 m
Distribution:  Indo-Pacific: South Africa, Mozambique, southern India, east to the Philippines (Ref. 5281), north to Japan and south to Australia. Also reported from the Hawaiian Islands.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 0-0. A giant plain stingray with a broadly pointed snout, small eyes and a round disc; tail short with a long caudal fin and a narrow sting; upper surface covered with denticles (Ref. 5578). Grey-black to brownish or purplish-brown above, white below; rear edges of pelvic fins and tail grey; disc edges black, and sting light (Ref. 5578).
Biology:  Found on the outer shelf and upper slope (Ref. 5578), on soft bottoms (Ref. 9914) at depths of 275-680 m (Ref.58048). Benthic (Ref. 58302). Feeds on small pelagic fish, eels, crabs, shrimp, lobsters, cephalopods and polychaete worms (Ref. 5578). The specimen taken from a depth of 44 m was caught off Mozambique (Ref. 9914). Its sting is long and can inflict a painful wound if handled. Caught occasionally by demersal longline fisheries in deepwater. Utilized for its meat, but not of a particularly high value (Ref.58048).
IUCN Red List Status: Least Concern (LC); Date assessed: 13 May 2015 Ref. (123251)
Threat to humans:  venomous
Country info:   

Entered by: Froese, Rainer - 13.02.93
Modified by: Wiethüchter, Anita - 06.04.10
Checked by: Garilao, Cristina V. - 19.10.95

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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