Figure 1. Locations of the 11 landmarks on a digital photograph.

Red dots are marking the 1) tip of the nose, 2) centre of the eye, 3) dorsal dividing-line of head and body, 4) ventral dividing-line of head and body, 5) posterior point of operculum, 6) anterior end of dorsal fin, 7) anterior end of adipose fin, 8) central caudal dividing line of body and tail, 9) anterior end of anal fin, 10) anterior end of pelvic fin, 11) lowermost part of the stomach.