Summary: Dorsal fin base long, extending almost the length of the back. Dorsal fin divided
into 3 well-separated fins, bearing about 14, 21 and 19 rays respectively.
First dorsal fin originating posterior to head (predorsal distance less than about one-third of total
length), its height about one-half of head length; third dorsal originating far posterior to the level of the
vent. No spinous rays present.