These dolphins favor silt-laden, turbid waters, at temperatures between 8 - 33?C (46 - 91?F). These tags revealed for the first time that the dolphins can cross the barrage gates in both upstream and downstream directions. Indus River dolphin (Platanista minor) is one of the world's rarest mammals and the second most endangered freshwater river dolphin. Given their migratory behavior, it is difficult to count the total population of dolphins on the planet. The Indus dolphin, locally known as the Bhulan (pronounced bhull-an), is an endangered freshwater dolphin found only in the Indus River in Pakistan. Systematic River Dolphin Protected Area management implemented in 60 protected areas globally by 2023. Aggressive fishing … River dolphins are rather small, ranging in size from the 5-foot (1.5 m) long South Asian river dolphin to the 8-foot (2.4 m) and 220-pound (100 kg) Amazon river dolphin. Indus dolphin like Ganges River dolphin is functionally blind and relies on echolocation to … LAHORE: “The World Wide Fund for Nature (WWF-Pakistan) is set to embark upon an extensive survey to assess Indus River dolphin populations,” said project coordinator Uzma Noureen on Sunday. Its presence is considered as river is healthy. The tiny population on the Beas is the only one surviving in India. It is national mammal of Pakistan. The Indus River dolphin measures between 1.5 - 2.5 m (5 - 8') in length and weighs 80 - 90 kg (180 - 200 lb). The river has a total drainage area exceeding 1,165,000 km 2 (450,000 sq mi). Still Hope Left For Dolphins As Census Concludes That Bihar Has 1,150 Dolphins Published: 21 Feb, 2019 By Ashwini A first of its kind, Dolphin census conducted in the state of Bihar has concluded that there are just 1,150 dolphins in different rivers across the state. Only 1,816 Indus dolphins are reported to exist presently in lower parts of Indus River. It is a key indicator species of river’s health. The Amazon river dolphin, also known as the pink river dolphin or boto, lives only in freshwater. Its presence is considered as river is healthy. The dolphin is the state aquatic animal of Punjab and WWF-India is working towards its conservation. Distribution: The Indus river dolphin is the second most endangered freshwater river dolphin. Despite many protections including a moratorium on whaling since 1986, many species of cetaceans continue to be threatened – with some on the verge of extinction. River Beas is the only habitat of Indus River Dolphin in India. In 2001, WWF coordinated the largest Indus river dolphin survey ever conducted. It is found throughout much of the Amazon and Orinoco river basins in Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, and Venezuela. The current distribution of Indus River dolphins. “The present distribution of Indus River dolphin is about 80 per cent less than what was determined in the 1,870s,” she said. River dolphin skulls have small eye orbits, a long snout and eyes placed on the sides of the head.