Monday, March 24, 2014

Reproduction of a indus river dolphins



Feeding

The Indus River Dolphin feeds in the same way as the Ganges River Dolphin. Because of their poor eyesight, as well as their need to stay in the deeper areas of the river, they prefer to find their food on the river bottom. They will do this by swimming to one side, and simply opening their mouth whenever they sense that there is food near.

The diet of the Indus River Dolphin includes the river dwelling creatures that are close to the area that they are swimming. This includes a wide variety of fish, such as carp and catfish, as well as turtles, prawns and sometimes birds. This is dependent on what is found while they are swimming closer to the river bottom. When they come up for their air; however, they will often times find extra food that is more suitable.


Reproduction

The reproduction features of the Indus River Dolphin are similar to others of the dolphin species. Specifically, this means that they will begin to sexually mature by the time they are six to ten years old. Mating rituals will lead most pregnancies to occur between the months of January to April, while carrying their calf in the embryo for a period of 10 – 12 months, depending on the development cycle needed. Calves will remain with their mother and will continue to nurse for up to one year. They will not leave their mother until they are an average of two years old, which will then lead them to either move on their own or to meet other dolphins that are of similar age.


Anatomy


The appearance of the Indus River Dolphins includes stocky features of their body. They are an average size of five to eight feet, and will typically weight around 200 pounds. They are also noticed by their thin and long beaks, which is what helps them to feed on the bottom of the river beds.

















(source:google/http://www.dolphins-world.com/)




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