nannostomus beckfordi red, brazilian freshwater pencilfish adult couple, nature aquarium, closeup nature photo

adult america animal aqua aquarium aquatic beckfordi biotope black blackwater brazilian caudal clear closeup coloration colourful couple dorsal endemic eye fauna female fin fish fishkeeping freshwater hobby line lips live local macro male mating mouth nannostomus native natural nature negro operculum pencilfish photo red rio south spawning squama tank underwater water white widespread wild