These fish are tropical, but that doesn’t indicate they prefer saltwater. Instead, they are now living in the rivers and ponds scattered across Papua New Guinea. These fish are omnivorous and take in rather a different diet program. Marbled river stingrays are one of many rarest fish on the planet. https://aquariumshops.family.blog/2025/02/11/4-questions-to-ask-while-interviewing-a-pond-cleaner/