Figure: 31 TAC §57.157(b)

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.