These fish are tropical, but that doesn’t signify they like saltwater. Instead, they are in the rivers and ponds scattered across Papua New Guinea. These fish are omnivorous and eat very a various diet regime. The bonnethead shrimpfish is probably the rarest fish globally, along with the marbled river stingray https://pearlaquatics.blogspot.com/2025/03/what-is-necessity-of-professional-pond.html