Once you manage to sneak up on them, the slightest movement can cause them to disappear in an instant.Maybe that's why they're called Darters?Blackbanded DarterPercina nigrofasciataBaltzell SpringsChiopla River Water Management Area, Northwest Florida Water Management District (NWFWMD)Jackson County Florida, USAOlympus OM-D E-M514-42mm II LensPT-EP08 Underwater Housing, PPO-EP01 Lens Port & 14-42mm Zoom Gear