| Species | Ring ID in Inches |
|---|---|
| Washboard, Megalonaias nervosa | 4.00 |
| Threeridges and roundlakes, Amblema spp. | 2.75 |
| Mapleleafs and pimplebacks, Quadrula spp. | 2.75 |
| Tampico pearlymussel, Cyrtonaias tampicoensis | 2.75 |
| Bleufer, Potamilus purpuratus | 2.75 |
| All Other Species of Freshwater Mussels | 2.50 |
Note: Hybrids among species listed above may also be sold.