nannostomus beckfordi red, brazilian ornamental freshwater juvenile pencilfish, nature biotope aquarium, closeup aquatic photo

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