Adults occur in swamps, marshes, rice fields, backwaters, stream stretches with stagnant water and dense vegetation . In Fuxian Lake, China, they are found in upper and middle layers of shallow coastal waters . Adults feed mainly on filamentous algae and zooplankton . They mature in 3 months time. Spawning occurs between April and September when temperature rises above 26°C. Can tolerate temperatures from 0 to 42°C, surviving winter under ice .
Anal soft rays: 18 - 20. : elongated.
Behavioural data for Oryzias Sinensis is currently being reviewed.
A cluster of eggs, about 15-50, are spawned every few days in the morning and females carry them for a few hours, until the eggs are entangled into aquatic vegetation by the filaments which cover them. Eggs hatch in 10-12 days at 24°C .
Freshwater; benthopelagic. Tropical
filamentous algae and zooplankton (Ref
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