THE SHORE FISHES OF PERU 325 



APLODACTYLUS PUNCTATUS Cuvier and Valenciennes 



Jerguilla; Nonora; Querguia 

 Figure 69 



Aplodaciylus pundatus Cuvier and Valenciennes, 1831, p. 477, Valparaiso, Chile 

 (original description). — Evermann and Radcliffe, 1917, p. 115, pi. 11, fig. 1, 

 Callao, and Ballestas Island, region of Pisco, Peru (synonymy; description). 



Haplodaciylus pundatus Steindachner, 1902, p. 118, Callao, Peru (notes). 



Head 3.8 to 4.3; depth 2.9 to 3.2; D. XIV or XV-I, 18 to 20; A. Ill, 

 8 or 9; P. 15 (rarely 14), the lower 5 or 6 rays simple; scales 103 to 110; 

 vertebrae 33 (one specimen dissected). 



Body elongate, compressed, its greatest thiclmess about half its 

 depth; profile rather steep over snout, nearly straight and only moder- 

 ately elevated over rest of head ; back narrow ; caudal peduncle moder- 

 ately long, compressed, 1.8 to 2.1 in head; snout rather blunt, 2.5 to 

 2.8; eye placed high, 4.8 to 5.2; interorbital somewhat swollen ante- 

 riorly, 3.3 to 3.6; mouth quite small, below the somewhat projecting 



Figure 69. — Aplodactylus pundatus Cuvier and Valenciennes. From a specimen 365 mm. 

 long, Callao, Peru (U.S.N.M. No. 77689). (After Evermann and Radcliffe, 1917.) 



snout; upper lip rather broad; maxillary not quite reaching vertical 

 from front of eye, 3.2 to 3.4 in head; teeth fiat, tricuspid, in 3 irregular 

 series in each jaw, those of the outer series largest, those of the other 

 series progressively smaller; gill membranes connected, free from the 

 isthmus; gill rakers short, slender, 14 or 15 on lower and 2 to 4 on 

 upper limb of first arch; lateral line complete, scarcely arched, reach- 

 ing middle of side above base of anal; scales small, with smooth mem- 

 branous border, exposed part striate, extending forward only to nape, 

 numerous small scales present on cheek and opercle, forming a fleshy 

 sheath on base of first dorsal, extending on bases of second dorsal and 

 anal, covering caudal except distally, and extending on base of pec- 

 toral, about 20 to 22 longitudinal rows between lateral line and first 

 dorsal spine and about 10 to 12 between it and base of last ray of 



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