Petrocephalus grandoculis Boulenger, 1920
photo by RMCA

Family:  Mormyridae (Elephantfishes)
Max. size:  9.5 cm TL (male/unsexed)
Environment:  demersal
Distribution:  Africa: widespread in the lower and middle Congo River basin in Central African Republic, Democratic Republic of the Congo and Republic of Congo (Ref. 45441, 85331).
Diagnosis:  Petrocephalus grandoculis is distinguished from all other Petrocephalus species in Central Africa by the following combination of characteristics: very small mouth (mouth width 5,2-6,1 times in head length), 8-11 teeth in the upper jaw, lower jaw with 18-22 teeth, eye large (eye diameter 2,8-3,2 times in head length), snout short, dorsal fin with 24-26 branched rays, anal fin with 30-33 branched rays (Ref. 85331). Pigmentation pattern consists of two melanin markings (black patches): (1) a distinct, although generally weak, round black mark on each side of the body below the anterior base of the dorsal fin (first to fifth rays); and (2) a crescent-like mark at the base of the caudal fin on each side, not extending onto the rayed portions of the upper and lower caudal fin lobes (Ref. 85331).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 16 February 2009 Ref. (119314)
Threat to humans:  harmless
Country info:   
 

Entered by: Sa-a, Pascualita - 17.06.94
Modified by: Boden, Gert - 28.06.02

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