Species of the week: Amazon river dolphin

Species of the Week:
Amazon River Dolphin ( Inia geoffrensis)

1. As the name implies the Amazon River Dolphin is found in freshwater systems in Brazil, Peru, Bolivia. Venezuela, Ecuador and Colombia. It's found in the river systems of the Orinico in the Amazon and the  Araguaia/Tocantins rivers.
2. They are either colored light grey or pink which makes then unusual for cetaceans 
3. It's the largest freshwater cetacean and can grow from 1.53-2.5 m and they weigh from 80-95kg. Females tend to be larger than males.
4. They feed on fish and crusteceans and small turtles.
5. They are specialised in hunting in murky waters and have really flexible necks and spinal cords in order to hunt and forage in underwater tree trunks.
6. Their neck has an unfused neck vertebrate which allows them to turn their head 90 degrees and hence makes them highly flexible.
7. Calves are born between July and September and usually one calf is born at a time.
8. Gestation period lasts from 9 to 12 months.
9. These dolphins are mostly blind, relying heavily on the sonar abilities to hunt for prey. More than usual dolphins do.
10. Although originally considered Vulnerable by the IUCN Red List, due to the lack of data they are now not classified. However many believe that they are in extreme danger due to habitat loss.