Erethistids are distinguished from sisorids by having a pectoral girdle with a long coracoid process that extends well beyond the base of the pectoral fin; this structure can be felt through the skin in all genera and is visible externally in all genera except Pseudolaguvia.
Erethistids are distinguished from sisorids by having a pectoral girdle with an extended coracoid process that extends beyond the base of the pectoral fin; this feature can be sensed through the skin across all genera and is visible externally in all genera except Pseudolaguvia.