noun
- a small freshwater fish of the family Fundulidae, native to North America
Usage: ichthyology
Examples
- The studfish is found in clear streams throughout the southeastern United States.
- Researchers collected several studfish specimens from the creek for their study.
- The male studfish develops bright colors during breeding season.
- Studfish prefer shallow, rocky areas of streams and rivers.
- The biologist identified the small fish as a studfish based on its distinctive markings.