Fig. 1
From: Patterns of divergence in fish species separated by the Isthmus of Panama
Locations of morphometric landmarks, shown on left lateral view of Apogon imberbis (UF 225062). Landmarks digitized are: (1) anterior tip of premaxilla, (2) posteroventral tip of maxilla, (3) anterior edge of eye, (4) posterior edge of eye, (5) anterior extent of opercular opening, (6) dorsal extent of pectoral fin base, (7) ventral extent of pectoral fin base, (8) anterior extent of pelvic fins, (9) base of anteriormost dorsal spine in first dorsal fin, (10) base of posteriormost dorsal spine in first dorsal fin, (11) base of anteriormost dorsal spine in second dorsal fin, (12) base of posteriormost dorsal ray of second dorsal fin, (13) dorsal tip of caudal fin hypurals, (14) center of caudal fin hypurals, (15) vental tip of caudal fin hypurals, (16) base of posteriormost anal fin ray, (17) base of first anal spine