Japanese fisherfolk have found an unusual bottlenose dolphin with an extra set of fins, which researchers say could be an evolutionary throwback to the time when the marine mammal's ancient ancestors

Seismic survey in the Brahmaputra

Even weeks after about 600 bluenose dolphins were washed ashore at Zanzibar's Nungwi beach, a popular tourist destination, scientists are still clueless. Experts say the dolphins

The Irrawaddy dolphin (Orcaella brevirostris) is at risk of extinction throughout its range as a result of incidental catches, habitat degradation, and pollution. Populations of Irrawaddy dolphins are constrained by the species

Helps dolphins glide quickly

The Indo-Pacific humpback dolphin (Sousa chinensis, Osbeck, 1765) is found in coastal waters throughout the Indian and western Pacific Oceans, but the species has not been studied in detail along the coast of India. Records of stranded specimens, occasional sightings, incidental catches, and museum specimens are reviewed here, and these show that humpback dolphins occur along most Indian coastal areas and in northwest Sri Lanka.