Red Grouper (2 of 2) (image) Florida State University Caption Red grouper (Epinephelus morio) is a commercially important reef fish. Adults, seen here, live at depths of 200-300 feet on the West Florida Shelf. Credit Florida State University Coastal and Marine Laboratory Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.