High Quality Content by WIKIPEDIA articles! The blackedge whipray (Himantura marginata) is a little-known species of stingray in the family Dasyatidae, found in the coastal waters of the Bay of Bengal and the Gulf of Mannar. Attaining a disc width of 1.8 m (5.9 ft), this species has a diamond-shaped disc with two small concavities on either side of the snout tip, and a long, whip-like tail without tail folds. It is characterized by large thorns with star-shaped bases scattered over the disc, and by the wide, black marginal bands on the underside of the disc. The International Union for Conservation of Nature (IUCN) currently lacks sufficient data to assess the blackedge whipray beyond Data Deficient. Virtually nothing is known of the natural history of the blackedge whipray. It is presumably aplacental viviparous like other members of its family. A known parasite of this species is the tapeworm Acanthobothrium dighaensis.

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