Major threats include dams, barrages, fishing nets, and both chemical and acoustic pollution. Both species are listed as endangered by the IUCN Red List of mammals. They are active through the day and are sighted in small groups. These dolphins prey mainly on fish and shrimp and hunt them throughout the water column. The skull has large crests over the melon, which help direct their echolocation signals. The dolphins rely instead on echolocation for navigation. Living in murky river waters, their eyes are tiny and lensless. South Asian river dolphins are small but stocky cetaceans with long snouts or rostra, broad flippers, and small dorsal fins. Fossils of ancient relatives date to the late Oligocene.
They are the only living members of the family Platanistidae and the superfamily Platanistoidea. The Ganges and Indus river dolphins are estimated to have diverged 550,000 years ago. Genetic and morphological evidence led to their being described as separate species in 2021. gangetica) with the Ganges river dolphin and the Indus river dolphin being subspecies ( P. They were historically considered to be one species ( P. South Asian river dolphins are toothed whales in the genus Platanista, which inhabit fresh water habitats in the northern Indian subcontinent. Happy jumping dolphin Stock Illustration by clairev 46 / 8,536 Dolphin Mascot Stock Illustration by bigredlynx 29 / 5,420 Dolphin Drawing by oorka 22 / 4,530 Funny dolphin cartoon Drawing by Tigatelu 34 / 6,900 Cute dolphin cartoon waving Stock Illustration by Tigatelu 33 / 2,595 Cute dolphin girl with flower Clipart by clairev 18 / 5,353 Dolphin icon Stock Illustration by sifis 14 / 8,778 Dolphins Stock Illustration by oxygen64 20 / 2,625 Dolphin Clip Art by yod67 10 / 746 Dolphin Drawings by aleksangel 8 / 833 Dolphin silhouette Stock Illustrations by dagadu 15 / 5,552 Dolphin Drawing by AlexBannykh 3 / 729 Dolphin Stock Illustration by file404 9 / 568 Dolphin with inflatable ring Drawings by clairev 16 / 3,189 Dolphin, tattoo Drawing by flankerd 19 / 5,545 dolphin Stock Illustrations by mikailain 8 / 4,501 Jumping Dolphins Stock Illustration by vectomart 13 / 2,052 Dolphin vector Stock Illustrations by abrakadabra 6 / 2,432 Cute Mermaid and dolphin Stock Illustrations by Dazdraperma 24 / 1,373 Dolphin vector Stock Illustrations by abrakadabra 14 / 2,604 Cute Cartoon Dolphin Stock Illustrations by pooterjon 10 / 4,206 cute dolphin Drawing by lawangdesign 9 / 1,266 Jumping Dolphin Stock Illustration by Dazdraperma 7 / 2,364 Cartoon Dolphin Line Art Stock Illustration by pooterjon 3 / 8,838 Dolphin mother and baby Clip Art by Dazdraperma 21 / 4,578 dolphin yellow sunset Stock Illustration by galdzer 37 / 3,506 Rainbow and dolphin Stock Illustrations by Marisha 17 / 2,322 Dolphin, tattoo Drawings by flankerd 5 / 2,240 Dolphin Drawing by chasty 10 / 922 Dolphin decorative ornament Clipart by cundrawan703 24 / 3,203 jumping dolphin Stock Illustrations by cscst 16 / 1,857 Illustration of the dolphin Stock Illustration by cobol1964 4 / 891 Dolphin Stock Illustrations by colematt 4 / 317 Dolphin Drawings by TAlex 5 / 1,211 Dolphin tribal tattoo Stock Illustration by putut 14 / 2,542 Dolphin lover Drawing by RATOCA 8 / 1,486 Dolphin vector Stock Illustration by abrakadabra 7 / 761 silhouette dolphin Stock Illustration by Pikaso 4 / 895 Dolphin Clip Art by DeepGreen 3 / 454 funny dolphin cartoon Stock Illustrations by ciawitaly 6 / 2,637 Funny dolphin cartoon Drawings by putut 6 / 1,696 dolphin Jump in the sea.Current ranges of the Indus river dolphin and Ganges river dolphin
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