Distinguished by the following characteristics: greenish to greyish brown body color with small reddish brown spots and irregular pale spots and lines; fins with white margins; small portion of population exhibit xanthic pattern which is entirely bright yellow-orange, sometimes with few irregular black spots; depth of body contained 2.7-3.1 times in SL; head length 2.6-2.8 times in SL; angle of preopercle in adults with weakly-developed serrate lobe; posterior nostrils of large adults 2-3 times larger than anterior ones (Ref. 89707).