Fishes of the Wester?! Nort/i Atlantic 



347 



Figure 85. Brevoortia scales from middle of side below anterior dorsal rays, a, fatronus, 21 5 mm TL, see Fig. 

 91; B, tyrannus, 320 mm TL, see Fig. 86; c, gunteri, 270 mm TL, see Fig. 93; d, smithi, 295 mm TL, see 

 Fig. 92; all equally enlarged. 



Body, depth 30-40, usually 32-37. 



Caudal -peduncle: depth 8.5— 11. 



Head: length 29—36, most frequently 



31-34- 

 Snout: length 5.5-9.0, usually 6.0-8.0. 

 Eye: diameter ca. 5.0—8.0. 

 Interorbital: width 6.2—8.2. 

 Maxillary: length 13—16. 

 Mandible: length 16—19. 

 Anal fin: length of base 14—19, usually 



15-18. 

 Pelvic fin: length 8.0-10. 

 Pectoral fin: length 17-21; usually 



18-20. 



Scales: oblique series along middle of 

 side, 41—55, most frequently 45— 



52. 

 Modified scales: in a series in front of 

 dorsal 31—43, most frequently 33— 



39- 



Ventral scutes: 30—35, usually 32 or 



Fin rays: dorsal 18—22, usually 19—21; 

 anal 18-24, usually 20—23; pec- 

 toral 16-18, rarely 15. 



Vertebrae: 47—49, very rarely 45, 46, or 

 50 (194 specimens). 



