These fish are tropical, but that doesn’t necessarily mean they like saltwater. As a substitute, they reside in the rivers and ponds scattered throughout Papua New Guinea. These fish are omnivorous and consume fairly a varied eating plan. Marbled river stingrays are one of the rarest fish on the globe. https://soboaquariumsfilter.blogspot.com/2025/03/what-are-steps-for-routine-maintenance.html