noun
- plural of ichthyofauna; the fish fauna or fish species of a particular region, time period, or ecosystem
Usage: technical; scientific; used in paleontology, biology, and ecology
Examples
- The ichthyofaunas of the Devonian period reveal the diversity of early fish species.
- Researchers compared the ichthyofaunas of different river systems to understand regional biodiversity.
- Fossil records show how ichthyofaunas changed dramatically after the extinction event.
- The ichthyofaunas in tropical coral reefs are among the most diverse on Earth.
- Ancient ichthyofaunas provide clues about past climate and environmental conditions.