FISHES OF THE PHILIPPINE SEAS AND ADJACENT WATERS 373 



V?. Lower gill rakers 14 to 18 (rarely low as 9 in 

 sina) . 



r^. Drab-gray above, below white; second 



anal spine weak sina. 



r^. Dark streaks follow oblique scale rows 

 above lateral line, horizontal rows 



below; second anal spine strong 



cujus. 



w*. Caudal, anal, and paired fins blackish brown 



bleekeri. 



j*. Outer row of caninelike teeth in each jaw siamensis 



t2. Depth 3H to 4. 



s^. No dark maxillary blotch. 



t^. Lower gill rakers 13 soldado. 



fi. Lower gill rakers 14 or 15. 



argentatus. 

 s2. Dark axillary blotch, spinous dorsal 



black terminallj' axillaris. 



6*. Dorsal rays 30 to 33; opercle with dark blotch. 



■u'. Dorsal dusted gray. 



hypostomus. 

 u*. Dorsal nearly black. 



dussumieri. 



a*. Tubular scales 55 to 60 in lateral line. 



v^. Dorsal rays 22 to 25. 



jubatus. 

 v^. Dorsal rays 26 to 31. 



w^. Black axillary blotch; fins 

 gray or pale. 



hololepidotus. 

 w"^. No black axillary blotch. 

 x^. Fins yellow or orange. 

 y^. No dark opercular 

 blotch; lower jaw 

 longer. 



plagiostomus. 

 y^. Opercle with blue 

 blotch; snout not 

 overhanging mouth. 

 ophiceps. 

 y^. Opercle with large 

 blue-black blotch; 

 snout overhanging 

 mouth, birtwistlei. 

 x^. Fins gray or blackish. 

 2*. Blackish band along 

 each scale row; 

 head glossed pur- 

 ple; fins deep 

 black. 

 semiluctuosus. 



