ichthyofaunal
/ˌɪkθioʊˈfɔːnəl/
adjective
- Relating to the fish species of a particular region, habitat, or time period.
- The report included an ichthyofaunal analysis of the river after the dam was removed.
- Ichthyofaunal diversity is highest in tropical coral reef ecosystems.
- The ichthyofaunal survey of the lake revealed a decline in native trout populations.