Location of 11 landmarks used to assess body shape variation. The landmarks included: (1) tip of the snout, (2) corner of the mouth, (3) center of the eye, (4) posterior tip of the supraoccipital process, (5) anterior terminus of the dorsal fin base, (6) insertion of the last dorsal ray on the caudal fin, (7) insertion of the last ventral ray on the caudal fin, (8) anterior terminus of the anal fin base, (9) anterior terminus of the pelvic fin base, (10) anterior terminus of the pectoral fin base, and (11) posterior border of the bony opercle and the body outline.