These fish are tropical, but that doesn’t mean they prefer saltwater. In its place, they reside in the rivers and ponds scattered across Papua New Guinea. These fish are omnivorous and take in really a diverse eating plan. Marbled river stingrays are one of many rarest fish in the world. https://medium.com/@janesmith202223/4-questions-to-ask-while-interviewing-a-pond-cleaner-e0a0558ab21f