1) Aquatic animal 
A rheophile is an organism that prefers to live in fast moving water. ==Examples of rheophilic animals== ===Insects=== ===Birds=== ===Fish=== ===Molluscs=== ===Amphibians=== ...
living or thriving in running water
living or thriving in running water
rheophilous, rheophile, rheophily In biology, thriving in or having an affinity for running water; said of an organism that prefers, or is confined to, running water.