SERRANIDAE


Epinephelus ongus, FRLM 30634, 18.0 cm SL

Epinephelus ongus (Bloch, 1790)
White-streaked grouper

D XI, 14 - 16; A III, 8; P1 15 - 17; LLp 48 - 53; GR 8 - 10 + 15 - 18. Body depth 2.7 - 3.2 in SL; preopercle rounded, upper edge of operculum strongly arched, the rear edge almost vertical. Scales on body ctenoid except anteriorly above lateral line, on thorax and abdomen. Color: adults brown with numerous small white spots on body which tend to form irregular horizontal rows and may coalesce into narrow stripes; several round or irregular pale blotches usually superimposed over small white spots; head brown, finely dotted with white dorsally behind eye; a prominent black streak at upper edge of maxillary groove; median fins grayish brown, finely spotted with white; the posterior margins blackish with a white edge. Juveniles brown with white spots, partially edged in dark brown; pectoral fins yellow with white dots. Size: maximum length about 32 cm. Distribution: Indo-West Pacific: East Africa to New Caledonia. Remarks: closely related to E. summana known only from the Red Sea.