This would normally be fresh water, but on some occasions, they can be salt or brackish.
Tt depends it could be fresh water or some are salt water. Most are fresh water.
Fresh water. Seas and Oceans are salt water.
lotic
Well fresh water is any type of water that does not contain salt. It's true you can't find fresh water in the ocean, but you can find it undergorund and in lakes, rivers, and streams. There are some lakes that do contain salt such as the Salt Lake in Utah.
thermal pollution
dragonflies can be found mostly by rivers, lakes and streams
salt water
it's a costal body of water in it has streams in rivers running into it.
The four types of Aquatic Ecosystems are - 1. Oceans are the largest of the ecosystems covering more than 70 % of the earth's surface. 2. Freshwater bodies like lakes and ponds 3. Flowing fresh water like rivers and streams 4. Wetlands with wet soil and plants that grow in this type of soil
Herons live near almost any type of water, on nearly every continent. This can be oceans, lakes, streams, swamps, and even ponds.
They build dams in local rivers and streams.
Aquatic snails and Flukes live in the water. Generally warm, shallow water that gets a lot of sun, but has shade as well.
runoff
Hippos can be found in the wild on the continent of Africa. They may be found in swampy areas, lakes, rivers, and streams. There are two species of hippo, the Large Hippo and the Pygmy Hippo.