TOP TO BOTTOM: Cambarus longulus. This crayfish is part of a unique population in which many individuals have a color mutation, causing them to be bright crimson. Crayfish are a generally underappreciated group within the southeast, with numerous undescribed species present in our rivers, streams and ditches. Loughran Cabe: " This is my passion. " Central Stoneroller & Mountain Redbelly Dace. These two species are both gathered to spawn on a nest mound built by a chub in a river in the Blue Ridge Mountains of Virginia. The stoneroller will dig a small pit nest of its own into the mound, while the dace simply spawn in a swarm, releasing thousands of eggs which will become lodged in the carefully placed pebbles of the mound. 60 BLUERIDGECOUNTRY.COMhttp://www.BLUERIDGECOUNTRY.COM