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

adult animal aqua aquaculture aquarium aquascape aquatic barbel biodiversity biotope clear cobitis common concept current decorative design easy ecology europe european fauna fin fish fishkeeping flow free freshwater friendly funny grey instinct keep little loach local macro mouth native natural nature ornamental plant protection river sitting space species spined stream taenia tank temperate threat ukraine underwater vegetation water weather weed widespread wild yawns