Freshwater biomes are usually located in ponds, lakes, streams, and rivers. Lakes are huge, still bodies of water that are surrounded by land, while ponds are usually smaller, still bodies of water that are surrounded by land. However, don't let their diameter fool you, lakes can get as deep as 5,315 feet and once you take one step in them, it's a straight plunge down to the bottom. Rivers and streams moving bodies of water that mainly consist of runoffs of melting ice or ground water, usually from mountains, that connect to oceans as well as lakes. The Great Lakes are some of the largest lakes in the world, found here in the Northeastern part of the United states. The picture to the below shows the world's largest lake, the Caspian Sea. While it does have an oceanic basin, it is still considered a lake. The climate of freshwater biomes are very similar to marine biomes. The climate of the surface of them is usually warm, but it gets colder as you go deeper down. The amount of precipitation a body of freshwater gets depends on where it is located.