stenohaline
/ˌstɛnəˈheɪlaɪn/
adjective
- Able to live only in water with a narrow range of salt concentration; not tolerant of large changes in salinity.
- Many coral reef species are stenohaline and die if the ocean becomes too fresh.
- The aquarium carefully monitors salt levels because its inhabitants are stenohaline.
- Stenohaline fish like salmon cannot survive in freshwater for long.