Lives in peats and bog wetlands . Occurs in marshes, swamps and ponds with dense growth of fine-leaved aquatic macrophytes. Does not seem to require large open areas. Probably browses on zooplankton in the vegetation. Never seen in markets, but known from the aquarium trade . Uncommonly seen in aquarium trades but widely used as aquarium bait in Ho Chi Minh City, Vietnam .
First dorsal-fin ray darkened; dark spot at caudal-fin base and anal-fin base; prominent lateral stripe that fades on peduncle .: elongated.
Behavioural data for Least rasbora is currently being reviewed.
Freshwater; benthopelagic. Tropical
The following diseases are known to affect Least rasbora.
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