leucaspius delineatus ornamental freshwater fish in biotope aquarium, nature shallow dof

active adult animal aqua aquarium aquatic belica biotope body clear closeup cyprinidae decorative delineatus depth dof driftwood endemic enduring europe european eye fauna field fin fish freshwater gravel grey lateral leucaspius line lips local macro moderlieschen mouth native natural nature operculum ornamental photo plant river shallow slender small squama sunbleak tank temperate underwater water weed widespread wild zippy