| While you expect to see dolphins in the ocean, very | | | | weigh up to 200 pounds. |
| few people realize that dolphins can be found in fresh | | | | The Indus River dolphin is only known to exist in the |
| water rivers as well. | | | | Punjab Province and the Sind Province of the Indus |
| There are four species of dolphins that make their | | | | River. |
| homes in rivers. There is, however, one species of | | | | Due to its decline in population, the government of Sind, |
| river dolphin that makes it's home in saltwater estuaries | | | | in Pakistan, has given the Indus River dolphin full legal |
| and the ocean. | | | | protection, and has also established the Indus River |
| River dolphins are not the same dolphins that you | | | | Dolphin Reserve. |
| would see in the ocean. In fact, river dolphins are only | | | | The Ganges River dolphin is closely related to the |
| distantly related to sea dolphins. | | | | Indus River dolphin. It also grows between 5 and 8 |
| River dolphins are also the most endangered of all the | | | | feet, and can weigh up to 200 pounds. |
| world's cetaceans. | | | | It can only be found in the fresh water rivers of |
| The five species of river dolphins are the Amazon | | | | Bangladesh, India, and Nepal. |
| River dolphin, the Franciscana dolphin, the Indus River | | | | These dolphins are commonly poached for their oil, |
| dolphin, the Ganges River dolphin, and the Yangtze | | | | which is used in the preparation of bait. Even though |
| River dolphin. Each of these species of dolphins are | | | | the Ganges River dolphin's existence is threatened, little |
| very different from each other. | | | | has been done to protect it. |
| The Amazon River dolphin is the largest river dolphin in | | | | The Yangtze River dolphin, commonly known as the |
| existence. These dolphins are also called Boto, and | | | | Chinese River dolphin or the Baiji dolphin, is at the brink |
| their scientific name is Inia Geoffrensis. | | | | of extinction. |
| The Amazon River dolphin is between six and eight | | | | In 1975, the Chinese government declared the Baiji a |
| feet long, and weighs between 185 and 355 pounds | | | | national treasure, and began to offer conservation and |
| when it is fully grown. | | | | protection to the species, however, this has done little |
| As it's name implies it inhabits the Amazon River, but it | | | | good, as the dolphin is still endangered by heavy boat |
| can also be found in the Orinoco basins and the upper | | | | traffic, fishing, industrial development, and the |
| Madeira River as well. These dolphins have various | | | | construction of the world's largest dam. |
| colored skins, which can be light gray, pink, or brown. | | | | The Yangtze River, where the Chinese River dolphin |
| The Amazon River dolphin also appears to be the | | | | makes it's home is one of the world's busiest rivers in |
| most social of all the river dolphins. | | | | the most populated country on the planet. |
| The Franciscana dolphin, which is also called the La | | | | The Chinese River dolphin grows to be between four |
| Plata River dolphin, is one of the rarest dolphins in | | | | and eight feet, and can weigh up to 360 pounds. |
| South America. Due to its rarity, there is little known | | | | River dolphins are typically smaller than sea dolphins, |
| about it. | | | | with longer snouts. |
| It grows to be between 4 and 6 feet long, and weighs | | | | River dolphins also tend to have more pointy teeth |
| up to 115 pounds, and its body is a grayish brown color. | | | | than sea dolphins. |
| Even though sightings of the Franciscana dolphin are | | | | Other than the Amazon River dolphin, sea dolphins |
| scarce, it can be found in the Doce River, in Brazil, and | | | | have proven to be more sociable than river dolphins. |
| the Peninsula Valdes in Argentina. It can also be found | | | | Most species of river dolphins are almost blind, due to |
| in the coastal waters of Uruguay. | | | | navigating muddy waters, but their brains are |
| This is the only species of river dolphins that can be | | | | extremely large and well developed. |
| found in salt water. | | | | Unlike sea dolphins, river dolphins have what resembles |
| The Indus River dolphin is gray-brown, with a pink belly. | | | | fingers on the ends of their flippers, and their dorsal fins |
| It grows to be between five and eight feet, and can | | | | are much smaller than that of sea dolphins. |