river ray, white-blotched river stingray. black diamond stingray (potamotrygon leopoldi

nature beautiful animal stingray river natural texture black white water background wildlife closeup sea marine tropical fish beauty leopoldi ocean camouflage aquarium spotted ray eyes potamotrygon fauna coral bottom sand stone america underwater pattern isolated rivers digging graphic bigtooth sting albimaculata xingu ocellate freshwater colorful exotic environment aquatic white-blotched stingray diamond leopoldi life