H. Steven Fretwell

H. Steven Fretwell is a scientist who studies how aquatic animals, such as fish and invertebrates, live and move in water environments like lakes and oceans. He focuses on understanding how these creatures interact with their habitats, how they respond to changes in their environment, and how to protect aquatic ecosystems. His work often involves studying their behaviors, how they compete for resources, and how human activities impact their populations, helping to inform conservation and management efforts for healthier aquatic ecosystems.