The pectoral fins are very large and triangular, angled so that water flowing over them presses the fish against the riverbed, helping them to stay in position in fast-flowing water. The pelvic fins are set underneath the head. The dorsal and anal fins have very long bases, the dorsal fin extending for nearly half of the body length.
The pectoral fins are substantial and triangular, positioned at an angle to prevent the fish from drifting away in swift currents. The pelvic fins are situated beneath the head, whereas the dorsal and anal fins possess extensive bases covering nearly half of the fish's overall size.