Most are fantastic tropical fish for novices, but some are fussy eaters and might be far better suited to experienced aquarists. Although this listing and our study reveals otherwise, the Devils Hole Pupfish is greatly called the world’s rarest fish (it is not rather as rare since the Purple Handfish). https://customaquariumtanks.blogspot.com/2025/01/what-you-must-know-before-keeping.html