Animals that do not possess a backbone are known as invertebrates. These include all types of crustaceans, worms, snails and insects. Crustaceans such as crayfish, shrimp, some types of lobster and certain crab species live in streams and rivers.
Animals that live in rivers include fish, some insect larvae and reptiles, such as turtles. Mammals, such as river otters, beavers and muskrats, also live in rivers, as do amphibians, such as frogs and salamanders.
The Amazon Rainforest is home to 427 mammal species, 1,300 bird species, 378 species of reptiles, and more than 400 species of amphibians. Some of the animals that live in the Amazon Rainforest include jaguars, sloths, river dolphins, macaws, anacondas, glass frogs, and poison dart frogs.
5 Tucuxi. One of the most extraordinary animals found in the Amazon is the tucuxi, a species of dolphin or porpoise that lives in the river. Even though it looks like a fish, a tucuxi is actually a mammal similar to the bottlenose dolphins often found at aquariums.
Many species of birds summer here with many more species using the river and its forests and grasslands as stopovers during their epic migrations. More than 120 species of fish make their home in the river, along with recovering mussel populations. Otters, coyotes, deer, beaver and muskrats and other mammals live along the river's banks.
Freshwater rivers are often home a wide variety of species from insects, to amphibians, reptiles, fish, birds and even mammals. Turtles, ducks, otters, crocodiles, catfish, dragonfly and crabs can be found in rivers all around the world, and the Amazon river is even home to the rare and pink, freshwater dolphin.
The River Ganges contains numerous animals, including amphibians, reptiles, birds, fish and the Ganges River dolphin. Hundreds of species reside in the waters of the Ganges River, live in the river basin and reside in surrounding habitats.
Rivers are full of life. Many forms of insects feed on microscopic life. These insects are then fed on by fish, which are fed on by birds and other animals that live near the river. A good example river life in the United States is the Alligator Snapping Turtle. Meandering Rivers. Rivers are not static places; they change over time.
But it’s home to more than just the animals that prowl, swing, and slither through the trees. In the depths of the Amazon River, the largest river in the world, live creatures so amazing and so terrifying, that they make Jaws look like a nice, relaxing swim in the ocean.
There are a wide variety of freshwater habitats. The animal species that live in these habitats vary dramatically from one area to another. Animals of all types, including large numbers of reptiles, fish and birds live in freshwater habitats. More freshwater habitat information; Animals of the Freshwater: Freshwater Animals