POMACENTRUS 43 



POMACENTRUS PAVO (Bloch) 



PLATE 10, FIG. 2 



Chaetodon pavo BLOCK, Ichth. 6 (1787) 44, pi. 198, fig. 1. 



Pomacentrus pavo LACEPEDE, Hist. Nat. Poiss. 4 (1803) 508; RUPPELL, 

 Fische des Rothen Meers (1828) 37; CUVIER and VALENCIENNES, 

 Hist. Nat. Poiss. 5 (1830) 310; GUNTHER, Cat. Fishes 4 (1862) 23; 

 Fische der Siidsee 2 (1876) 227, pi. 124, fig. E; BLEEKER, Nat. 

 Verh. Holl. Maats. Wet. 2 (1877) 42; Atlas Ichth. 9 (1878) pi. 408,, 

 fig. 9; JORDAN and SEALE, Bull. U. S. Bur. Fisheries 25 (1906) 

 279, pi. 40, fig. 1; WEBER, Fische der Siboga Exped. (1913) 336. 



Pomacentrus pavo var. ? CARTIER, Verh. Phys. Med. Ges. Wurzburg 

 (1873) 99. 



Dorsal XIII, 13 or 14; anal II, 13 to 15; scales in lateral 

 series 26 ; with tubules 16 to 18 ; between lateral line and origin 

 of dorsal 3; between lateral line and vent 9. 



Body elongate, dorsal and ventral contours similar, being low 

 even curves from tip of snout to caudal peduncle; depth 2.5 

 to 2.8 in length; head 3.2 to 3.5; depth of caudal peduncle 6.7 

 to 7.5. The convex interorbital 3.3 to 3.8 in length of head; 

 diameter of the large, round eye 2.7 to 3.3 or longer than 

 snout, which is contained 3.8 to 4 in head ; maxillary 3 to 3.3 in 

 head, extending posteriorly a little behind front edge of orbit. 

 Cleft of mouth almost horizontal, lower jaw slightly in advance 

 of upper; teeth in two rows, compressed and truncated. Pre- 

 orbital very narrow, its width at posterior end of maxillary 

 about a third of eye diameter; suborbital indistinctly dentic- 

 ulate ; preopercle finely toothed at its hind margin ; opercle with 

 two flat spines behind. 



Scales on top of head extend forward to a little distance behind 

 nostrils ; orbital ring naked. Dorsal spines increasing in height 

 posteriorly. Dorsal and anal fins angular and about equal in 

 height. Caudal emarginate, with the lobes slightly pointed; 

 pectoral and ventral equal in length, both extending to anal 

 opening. 



Deep blue in alcohol, yellowish on belly and fins; each scale 

 with a brownish vertical streak; belly and base of vertical fins 

 with bluish dots. A large black spot above operculum ; a smaller 

 one in axil of pectoral; two short dark bands in front of each 

 eye, one across snout and the other on preorbital. 



The foregoing account is taken from thirty examples, 17.5 

 to 52.5 millimeters long, collected at Calapan, Mindoro; Puerto 

 Princesa, Palawan; Surigao and Cagayan de Misamis, Min- 

 danao; and Sitankai Island, Sulu Archipelago. This fish un- 



