Two Type specimens had been also captured amongst 1984 and 2004. Considering that the Ornate Sleeper Ray is hardly ever noticed and you will discover none in captivity, it's the rarest fish on the globe. Image Editorial Credit: Wikimedia Commons The Devil’s Gap Pupfish is probably the rarest fish on https://aquariumtankrental.school.blog/2025/01/16/what-should-be-your-first-steps-to-set-up-an-aquarium/