the Rhodeus sericeus amarus lives in the middle water-regions of your aquarium. The basin-length of the aquarium should amount to at least 60 cm for these fish. A Bitterling is peaceful in the mormalfall. Males like females can gain a length of up to 10 cm.
Attitude: Optimal-proof prevail water-temperatures of 18 to 21 °C in the aquarium. The pH-area should lie between 7.0 and 7.5. The attitude of these fish in the aquarium is relatively unproblematic.
Differentiation of the sexes: Clear Geschlechtsdichromatismus, males at the spawn-time with colorful-males wedding-dress and with spawn-rash females always more simply, to recognize several centimeters of long egg-tube unequivocally by one before the deposit of the eggs, colored,
Natural spread: Europe and western Asia, the type is missing south from the Alps and Pyrenees, as well as completely in Scandinavia, England and Ireland
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