Howells Freshwater Mussels App

FALSE SPIKE (Quadrula mitchelli)Threatened (legally) TPWD – Proposed USFWSPresumed extinct by the American Fisheries Society• Previously with populations in the Rio Grande and in Central Texas.• Apparently never found alive in the Rio Grande & now extinct there.• Not seen alive in Central Texas since at least the 1970s.• Two recently dead valves were found in the San Marcos River in 2000,but several surveys since have failed to find any trace of it remaining.