Systomus pleurotaenia (Bleeker, 1863)
Black lined barb
Systomus pleurotaenia
photo by Ramani Shirantha

Family:  Cyprinidae (Minnows or carps), subfamily: Smiliogastrinae
Max. size:  16 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 6.5 - 7.5; dH range: 15
Distribution:  Asia: catchments of the Kelani and Nilwala Rivers, Sri Lanka. Reported from Madras, India, but this record has been contested by some authors (such as in Ref. 3443).
Diagnosis:   
Biology:  Tends to form small shoals. More abundant in the larger, clear water, undisturbed, deep (>1m), heavily shaded streams. Stays in the middle of the water column (Ref. 6468). Feeds on filamentous algae, terrestrial insects and detritus (Ref. 6703). No observations on breeding in captivity. Maturity at 6.4 cm (Ref. 6468). Does well at 29°C water temperature. Exploited by the tropical fish export trade, larger specimens are eaten.
IUCN Red List Status: Vulnerable (VU); Date assessed: 29 July 2019 (B1ab(iii)+2ab(iii)) Ref. (130435)
Threat to humans:  harmless


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