These Fish are tropical, but that doesn’t indicate they prefer saltwater. Instead, they reside in the rivers and ponds scattered throughout Papua New Guinea. These fish are omnivorous and consume rather a diversified diet plan. Graphic Editorial Credit rating: Wikimedia Commons The Devil’s Gap Pupfish is probably the rarest fish https://malaysiaaquariumshop.water.blog/2025/01/17/4-facts-about-maintaining-your-aquarium-by-a-fish-tank-cleaner/