Figure 5

Landmarks used for morphometric analysis. Configuration of landmarks (black circles) collected on bream (in the picture), roach and their hybrid. (1) Snout tip; (2) posterior extremity of the premaxillar; (3) nostrils; left (4) and right (5) extremes of the eye; (6) insertion of the operculum on the lateral profile; (7) point of maximum extension of the operculum on the lateral profile; (8) extremity of the operculum; (9) anterior insertion of the dorsal fin; superior (10) and inferior (12) insertion of the caudal fin; (11) posterior body extremity; (13) anterior insertion of the anal fin; (14) anus; (15) insertion of the pelvic fin; superior (16) and inferior (17) insertions of the pectoral fin.