Dams, like the one pictured above, can have detrimental effects on freshwater ecosystems and their connectivity. The dam above is the Prairie du Sac, which sits on the Wisconsin River, and fragments connections between the Wisconsin River and downstream Mississippi River (140 km downstream as…
Schismatogobius insignum is a tiny scaleless goby that lives in the rivers of Northern Australia and other rivers across the Indo-Pacific. In Australia the species has only been recorded in a handful of streams including the Little Mulgrave River, which is where the fish in…