Table 3.

Comparison of major morphological diagnostic characteristics of D. macarellus and D. macrosoma.

	D. macarellus	D. macrosoma
straight-line portion of the lateral line covered with scutes	posterior end, approximately 1/2	majority in the rear, approximately 3/4
external morphological characteristics of scutes	the highest scute is approximately half the eye diameter	no particular external characteristics
whether the predorsal scaled area reaches the middle of the eye	reaching or extending past	not reaching
shape of the predorsal scales	“∩”	“m”
shape of the posterior end of the maxilla	convex and round	truncated
shape of the posterior margin of the operculum	oblique	straight