|Ammocoetes: Max. size 143 mm TL. Body proportions, as percentage of TL (based on three specimens measuring 84-143 mm TL): prebranchial length, 7.3-8.3; branchial length, 11.5-13.1; trunk length, 50.6-52.8; tail length, 25.9-28.0. Trunk myomeres, 55-62. Body coloration (preserved), dorsal and upper lateral aspects brownish, lower lateral and ventral aspects lighter. Extent of pigmentation (- = absence to trace; + = 1% to under 25%; ++ = 25% to under 75%; +++ = 75% or more): upper lip, - or +; between upper lip and cheek, +++; cheek, -; subocular, -; upper prebranchial, -; lower prebranchial, -; upper branchial, + or ++; lower branchial, -; ventral branchial, -; lower lip, -; caudal fin, +; predorsal, +++; tongue precursor bulb, -; along elastic ridge of tongue precursor, ++. Lateral line neuromasts unpigmented. Caudal fin shape, rounded. Metamorphosing ammocoetes: lengths unrecorded.