stenotherm
/ˈstɛnəˌθɜrm/
noun
- An organism that can only survive within a narrow range of temperatures.
- Scientists study stenotherms to understand how climate change affects sensitive species.
- The tropical fish is a stenotherm, so it died when the aquarium heater broke.
- Coral reefs are home to many stenotherms that cannot tolerate water temperature changes.