Ophiocara porocephala (Valenciennes, 1837)
Northern mud gudgeon

Matapolo Paku,  Palu, 

Ophiocara porocephala
photo by Keith, P.

 Family:  Eleotridae (Sleepers), subfamily: Butinae
 Max. size:  34 cm TL (male/unsexed)
 Environment:  demersal; depth range 0 - 5 m, amphidromous
 Distribution:  Indo-West Pacific: East Africa to the Philippines, north to the Ryukyu Islands (Ref. 559), south to Australia and New Caledonia (Ref. 13235).
 Diagnosis:  Dorsal spines (total): 7-7; Dorsal soft rays (total): 8-9; Anal spines: 1-1; Anal soft rays: 7-7. Head and body dark; 2nd dorsal and caudal spotted; juveniles with irregular crossbars (Ref. 5493).
 Biology:  Adults occur in brackish estuaries, river mouths and freshwater creeks (Ref. 2847, 48637, 44894). Found in the lower courses of rivers, often upstream from the tidal zone (Ref. 12693). Young are usually found while wading in rocky creeks near the coast (Ref. 2847). Marketed fresh (Ref. 12693).
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:  Specimens were collected from Kiga creek and Ambacan River at Baybay, Leyte in 1993 (Ref. 7223). Also Ref. 6802.

 Entered by: Sa-a, Pascualita - 06.05.94
 Modified by: Valdestamon, Roxanne Rei - 05.06.15
 Checked by: Sa-a, Pascualita - 11.07.94

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