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BiologyInhabits marshes, muddy ponds and channels with a salinity range of 0 to 21 ppt. Mostly found in fresh water but also in brackish mangrove areas. Ascends upstream but remains in the lower reaches. Sexually mature after one year. Gonads develop during the dry season. Average size at maturity is 5.1 cm for males, 4.5 cm for females. Omnivorous, feeds mainly on plants, sediments and invertebrates. Changes its coloration during reproduction, carrying out a complex nuptial parade. Adults guard the nest. Egg is 0.3 mm, incubation time is 11 to 16 hours at 27°C (Ref. 35237).