228 
BULLETIN OF THE BUREAU OF FISHERIES 
KEY TO THE SPECIES 
a. Soft dorsal rays 19 or 20; soft anal rays 17 to 20; anterior rays of soft dorsal and anal notably 
produced in adult. 
6. Body deep, ovate, the depth 1.4 to 1.7 in length; no black cross bars on sides. .falcatus, p. 228 
66. Body more elongate, the depth 2 to 2.6 in length; sides with 4 or 5 black cross b&rs.glaucus, p. 229 
aa. Soft dorsal rays 23 or 24; soft anal rays 20 to 22; anterior rays of soft dorsal and anal never 
notably produced carolinus, p. 229 
121. Trachinotus falcatus (Linnaeus). Round pompano. 
Labrus falcalus Linnaeus, Syst. Nat. ed. X, 1758, p. 284; America. 
Trachyrwtus ovatus Uhler and Lugger, 1876, ed. II, p. 96. 
Trachinotus falcalus Jordan and Evermann, 1896-1900, p. 941, PI. CXLVI, fig. 396; Evermann and Hildebrand, 1910, p. 161. 
Head 2.8 to 3.3; depth 1.4 to 1.7; D. VI-I, 19 or 20; A. II— I, 17 or 18. Body ovate, strongly 
compressed; dorsal and ventral outlines forming angles at origin of second dorsal and anal; head 
short; snout very short and blunt, 3.6 to 5.65 in head; eye 3 to 4; interorbital 2.3 to 2.8; mouth 
Fig. 134. — Trachinotus falcatus. Young, from a specimen 18 millimeters long 
rather small, slightly inferior, little oblique; maxillary scarcely reaching middle of eye, 2.8 to 3.1 in 
head; gill rakers very short, scarcely a third diameter of eye, 9 on lower limb of first arch; lateral 
line with a slight arch anteriorly, more or less wavy; first dorsal composed of six short stiff spines, 
preceded by a strong procumbent spine; second dorsal and anal produced anteriorly in adult (the 
longest rays sometimes reaching base of caudal), scarcely elevated in very young; caudal fin forked, 
