Shell length used to determine juveniles

 

 

We examined the distribution of sizes (shell length) of individuals collected for each species. Those individuals found in the lowest 5% of the size range were considered juveniles

 

SpeciesJuvenile Size (mm)
Actinonaias ligamentina17.30
Alasmidonta marginata17.76
Amblema plicata21.29
Cyclonaias tuberculata24.61
Ellipsaria lineolata18.42
Elliptio dilatata28.08
Epioblasma triquetra10.48
Fusconaia ebena17.88
Fusconaia flava20.18
Lampsilis cardium15.27
Lampsilis higginsii22.18
Lampsilis siliquoidea21.66
Lasmigona complanata14.54
Lasmigona compressa63.15
Lasmigona costata24.92
Leptodea fragilis8.58
Ligumia recta31.38
Megalonaias nervosaNo small individuals found
Obliquaria reflexa17.43
Obovaria olivaria30.04
Pleurobema sintoxia16.34
Potamilus alatus31.06
Potamilus ohioensisNo small individuals found
Pyganodon grandis11.25
Quadrula fragosa23.03
Quadrula metanevra34.15
Quadrula pustulosa17.07
Quadrula quadrula19.19
Strophitus undulatus22.51
Toxolasma parvus13.24
Tritogonia verrucosa31.04
Truncilla donaciformis15.91
Truncilla truncata16.72
Utterbackia imbecillis10.90