namato-, namat-

(Greek: spring water, fountain)

namatophile (s) (noun), namatophiles (pl)
An organism that lives in brooks and streams: Some namatophiles include fish, clams, and mussels that are all aquatic forms of life.
namatophily (s) (noun) (no pl)
The circumstance of an organism living in a stream: After reading about namatophily, Ted decided to go down to the little stream and look for a frog or a salamander!