A natural underground spring.
Loaches are freshwater fish, for example, the clown loach which is a freshwater fish.
fish and humans
Swamps and Marshes
a salt marsh is a wetland that has fresh water
I'm not aware that any exist. Phylum Echinodermata is often mentioned as the largest without freshwater or terrestrial representatives.
There is much more saltwater than freshwater. All of the oceans are made up of saltwater for example.
An example of a freshwater wetland could be a marsh or a swamp. These wetlands are characterized by the presence of water, non-woody plants, and often serve as important habitats for various species of plants and animals.
A mountain stream, or a river flowing lower down in the valley.
-( 0 0 )- -| |- -(____)- <<<<< this is an example of your crab!
Well predation the preying of one animal on others. So an example would be herrons and fish
Freshwater fish live in streams, lakes, rivers, ponds, and any body of water without salt. For example an ocean. what kinds of things do they live with in there habitat?
Agricultural runoff containing fertilizers and pesticides is a common example of a nonpoint source of freshwater pollution. When it rains, the chemicals from the fields can be washed into nearby streams and rivers, contributing to water pollution.