Opsaridium zambezense (Peters, 1852)
Barred minnow
Opsaridium zambezense
photo by Gratwicke, B.

Family:  Danionidae (), subfamily: Chedrinae
Max. size:  12 cm SL (male/unsexed)
Environment:  benthopelagic; pH range: 6.5 - 7; dH range: 8 - 12
Distribution:  Africa: Zambezi, Okavango, Pungwe, Limpopo, and Buzi River systems southwards to the Pongolo River; absent in Kafue and Cunene Rivers (Ref. 7248). Also in the Luapula River system in Democratic Republic of the Congo and Zambia; records from southern tributaries of the Congo (Kasai, Luachimo, Chiumbe, Kwilu) may represent an other, unidentified species (Ref. 26673).
Diagnosis:  Dorsal spines (total): 3-3; Dorsal soft rays (total): 8-10; Anal spines: 3-3; Anal soft rays: 11-13. With striking vertical bars, lateral line curving down towards the ventral surface of the body; dorsal fin rounded; barbel absent.
Biology:  Prefers clear, flowing waters of larger perennial rivers, frequenting pools below rocky rapids (Ref. 2801). Found also in quiet water with aquatic wed cover. Lives in shoals, usually in shallow water over sandy bottoms. Feeds on aquatic larvae and insects, shrimps and small crustaceans (Ref. 13337). Breeds in summer (Ref. 7248). Also caught with dip nets (Ref. 4967).
IUCN Red List Status: Least Concern (LC); Date assessed: 01 May 2009 Ref. (123251)
Threat to humans:  harmless
Country info:   

Entered by: Sa-a, Pascualita - 01.07.94
Modified by: Willemse, Nico E. - 24.08.15
Checked by: Sa-a, Pascualita - 21.07.94

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