Balantiocheilos melanopterus
Balantiocheilos melanopterus (Bleeker, 1850)
Tricolor sharkminnow
photo by Jean-Francois Helias / Fishing Adventures Thailand

Family:  Cyprinidae (Minnows or carps), subfamily: Cyprininae
Max. size:  35 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 6 - 8; dH range: 5 - 12
Distribution:  Asia: Mekong and Chao Phraya basins, Malay Peninsula, Sumatra and Borneo. Becoming rare or extinct in many river basins.
Diagnosis:  Silver body with black margins on dorsal, caudal, anal and pelvic; lower lip with a posterior groove forming a pocket opening backwards (Ref. 43281).
Biology:  Adults are found in midwater depths in large and medium-sized rivers and lakes. They feed on phytoplankton, but mostly on small crustaceans, rotifers as well as insects and their larvae (Ref. 12693). Migratory behaviour is undetermined (Ref. 126106). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size >150 cm (Ref. 51539).
IUCN Red List Status: Vulnerable (VU); Date assessed: 07 February 2019 (B2ab(i,ii,iii)) Ref. (130435)
Threat to humans:  harmless


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