Lives in freshwater rivers. Tiny but tough, it feeds mostly on microorganisms that dwell on stones or in the sand. It also enjoys the occasional insect. Common: 1-4 cm, Large: 8 cm or bigger
Lives in freshwater rivers. Tiny but tough, it feeds mostly on microorganisms that dwell on stones or in the sand. It also enjoys the occasional insect. Common: 1-4 cm, Large: 8 cm or bigger