There are two species of alligator, the American alligator and the Chinese alligator, belonging to the family Alligatoridae. They inhabit freshwater environments and are less tolerant of saltwater than crocodiles.
Alligator
The Amazonian manatee is the smallest of the three manatee species and is found exclusively in freshwater habitats in South America's Amazon Basin. It feeds on a variety of aquatic plants.
Amazonian Manatee
The critically endangered axolotl is an amphibian found in Mexico City. It remains fully aquatic throughout its life and possesses the ability to regenerate lost body parts.
Axolotl
Caimans are crocodilians belonging to the subfamily Caimaninae, and there are six species of caiman. They range in size from the Cuvier's dwarf caiman to the black caiman, which is the largest member of the alligator family.
Caiman
The capybara is the world's largest rodent, found in South America and parts of Central America. It is semiaquatic and never strays far from water.
Capybara
The common watersnake is found in the eastern United States and Canada, primarily in freshwater bodies such as marshes, lakes, and rivers. It is often mistaken for the venomous cottonmouth.
Common Watersnake
Crayfish are freshwater crustaceans closely related to lobsters. They have 20 body segments and ten main legs for walking, with the first pair equipped with large claws.
Crayfish
Dippers are small passerine birds capable of diving and swimming underwater. They are found near rivers and streams worldwide and have short wings that function as flippers underwater.
Dipper
Diving beetles are large insects that spend most of their lives in the water. They are voracious predators, feeding on prey like tadpoles and small fish.
Diving Beetle
Dragonflies are large insects found in freshwater habitats around the world. They undergo metamorphosis, with their larval stage spent underwater. Adults live for a short period, varying by species.