cobitis taenia, spined loach, common freshwater ornamental fish in european nature aquarium

algae animal aqua aquarium aquatic biotope buried bury clear closeup cobitis common current ecology europe european famous fauna fin fish fishkeeping flow forecast forecaster free freshwater friendly funny gravel grey instinct juvenile loach local macro native natural nature ornamental plant protection rain river sand space spined stream taenia tank temperate threat ukraine underwater vegetation water weather weed widespread wild