These fish are eyeless and also have prolonged, slender bodies that assistance them navigate their darkish underwater home. They’re also incredibly rare, mainly because it’s believed there are only close to 200 people left inside the wild. Marbled river stingrays are on the list of rarest fish on this planet. https://6feetaquariumforsaleinmalaysia.blogspot.com/2024/08/how-to-install-discus-aquarium-setup.html