fishkill
/ˈfɪʃˌkɪl/
noun
- A sudden, large-scale death of fish in a body of water, often caused by pollution, disease, or environmental changes.
- The factory was blamed for the fishkill that turned the riverbank white with dead fish.
- After the heat wave, a massive fishkill occurred in the lake due to low oxygen levels.
- Scientists are investigating the cause of the recent fishkill in the bay.