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Angelfish
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The angelfish is a tropical freshwater fish native to the Amazon region of South America. It is a community fish that is peaceful and easy to take care of. This is why it is a popular choice for an aquarium hobbyist. An angelfish can grow up to six inches in length. Its diet in the wild includes mosquito larvae and black worms. The varieties of angelfish include black lace angel, silver zebra angel, gold veil angel and white blushing angel.
Shark
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Freshwater sharks get their name because of the similarity in body shape to saltwater sharks. They have a pointed head and large dorsal fin. However, there are no other similarities. The fish is found in Southeast Asia and Thailand. They like aquariums with plenty of thick-leaved plants and driftwood for hiding space. Most types of sharks, like the rainbow and redtail black, need to be the sole shark in the tank. They can become territorial and aggressive towards other species.
Piranha
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Piranhas are illegal pets in states like California. Native to South American rivers, the piranha is a carnivorous freshwater fish. Piranhas have a large appetite and feed from dead animals and small live fish. They have sharp, triangular teeth so they can chew on meat to the bone. The main characteristic of all types of piranhas is their mouth stay slightly open all the time. Certain types, like the red-bellied piranha, are kept as pets. They should be kept in an aquarium without other fish since they might eat them. Some warm states in the U.S. have banned piranhas as pets. If they escape they can destroy the environment.
Eel
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Although eels can survive in saltwater, they spend most of their lives in freshwater. The eel is a freshwater fish. While it breeds in saltwater, it spends the rest of its time in freshwater rivers and streams. It can grow between two and four inches. The ideal habitat for an eel is the long grass of shallow streams. It is difficult to catch and makes for a good hiding place to wait for prey. Eel species that are kept in aquariums include the fire, tire track and zigzag yellow-tail eel.
Bullhead Catfish
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The bullhead is a catfish in North America. It is medium to large in size and lives in ponds and rivers. There are seven species of bullheads, which differ in color. The brown, yellow and black bullheads are the most commonly caught. Many are kept in freshwater tanks by hobbyists. In the wild they eat whatever falls to the floor of a river or pond. This includes live and dead fish, invertebrates, and fish eggs. Bullheads are nocturnal and are most active at night and in the rain. The fish can only breed in the wild since it burrows into the ground to mate.
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What Kinds of Fish Live in Fresh Water?
Freshwater fish are native to pond, stream and river habitats. These fish can only survive in water with low salinity. Freshwater fish are popular choices for pets. Examples of these include the angelfish, freshwater sharks, eels, bullhead catfish and piranhas. If you take care of these fish and provide them with the right habitat, they will thrive in an aquarium.