And although they are most commonly associated with the ocean, dolphins, and porpoises, can actually be found in some major rivers on two continents. River dolphins serve as an indicator of river health in the basin where they live.
Do river dolphins still exist?
Currently, there are only five extant species of river dolphins remaining in the world, all of which are endangered or endangered. This is because pollution, dams, transport and bycatch have damaged this iconic species.
Which river has freshwater dolphins?
Distribution and habitat They are found in the waterways connected to the Indus, the Bees, the Ganges and Brahmaputra, and the tributaries of Pakistan, India, Bangladesh and Nepal.
Do dolphins swim in rivers and lakes?
& gt;River dolphins are a polyphyly of completely aquatic mammals that live only in freshwater or brackish water. They are an informal group of dolphins, which themselves are paraphyly within the Infraorder whale. The extant kawa dolphins belong to two superfamilies, the kawa dolphin superfamily and the kawa dolphin superfamily.
Where are the platanistoidea?
One of the six small, usually freshwater mammals associated with river dolphins and whales (Cetacea). These dolphins are found in rivers in Central and South Central Asia, China and South America, and in the coastal waters of Brazil, Argentina and Uruguay.
Below you will find two helpful answers on a similar topic. 👇
Do dolphins live in the Atlantic Ocean?Where do dolphins live in the Amazon River?
