The longest caudal fins on their tails are about three-fifths the length of the tail. Their mouths are large and ventral surrounded by labia which form an unbroken oral disc about 3.6 mm wide.
The longest caudal fins account for about three-fifths of the tail's length. Their mouths are extensive and positioned ventrally, with labia creating an unbroken oral disc that measures around 3.6 mm wide.