Jenkins' whipray

The Jenkins' whipray (Pateobatis jenkinsii) is a species of stingray in the family Dasyatidae, with a wide distribution in the Indo-Pacific region from South Africa to the Malay Archipelago to northern Australia.

It is uniform yellowish brown above, becoming grayish on the tail past the stinging spine, and white below; there is apparently a spotted color variant that had previously been described as a different species, the dragon stingray (H. draco).

This species is regularly caught by coastal fisheries across much of its range, particularly in the Arafura Sea; its skin is highly valued for the large thorns, while the meat and cartilage may also be marketed.

The first known specimens of the Jenkins' whipray were two 1.0 m (3.3 ft) wide adult males collected near Ganjam, India by the steamer Golden Crown, and described by Scottish zoologist Nelson Annandale in a 1909 issue of Memoirs of the Indian Museum.

He named the new species Trygon jenkinsii, in honor of Dr. J. Travis Jenkins, the Scientific Advisor on Fisheries to the Government of Bengal, who assisted the Golden Crown expedition.

The upper surface of the disc has a granular texture and bears a broad central band of closely spaced, flattened heart-shaped dermal denticles, beginning between the eyes, becoming widest at the "shoulders", and extending to entirely cover the tail.

[11] As in other stingrays, the Jenkins' whipray is aplacental viviparous: the developing embryos are sustained at first by yolk, which is later supplanted by histotroph ("uterine milk") produced by the mother.

Particularly large numbers are caught by an Indonesian commercial gillnet fishery targeting wedgefishes, that operates in the Arafura Sea and increasingly, illegally, in Australian waters.

The International Union for Conservation of Nature (IUCN) has assessed this species as of Vulnerable globally due to the intensity and inadequate regulation of regional fishing activities in Southeast Asia.

The illustration that accompanied Annandale's 1909 description.
The Jenkins' whipray is typically plain yellowish brown in color, with a white disc margin and a darker tail.
Jenkins' whiprays off a beach in the Maldives; this ray sometimes forms groups.