sunbleak swim in biotope aquarium, wild caught freshwater fish, healthy vulnerable species with shining scales and bright colors f

active adult animal aquadesign aquarium aquatic background behaviour belica biotope blurred body bright captive caught coldwater colors conditions controlled cyprinidae decorative delineatus depth dwarf ecology ecosystem endemic europe european explore fauna feel field fish fishkeeping free freshwater healthy hobby ichthyology leucaspius light line local low macro moderlieschen nano native natural nature peaceful protection research river scales sensitive shallow shining slender small space species sunbleak swim tank temperate threat underwater vulnerable water weed widespread wild wildlife wood