SHOWING SOME MUSSEL: While recently snorkeling in the St. Francis River, MDC biologists got some interesting video of freshwater mussels displaying lures. To reproduce, fertilized eggs are brooded in the female’s gills, where they develop into tiny larvae called glochidia. The glochidia are parasitic, and to complete their development, they must attach to the gills, fins, or skin of their host, usually a fish. Mussels have a variety of adaptations that help them attract a host species. For examp