Indian River Dolphin
They are dark gray to brown and have a long beak and an underdeveloped dorsal fin and large, broad flippers and flukes.
They are seen to swim in their sides when submergered and to swim very close to the bottom of the river when they are feeding, constantly nodding their head.
700 km of Indus River in Pakistan
There are seasonal changes due to fluctuations in water levels.
Social system/Group size
Entanglement in fishing gear, pollution, habitat degradation and overfishing.
Their eyes have no lens, which means they can only perceive the presence or absence of light.