The melon-headed whale shark is occasional mainly because it largely lives in extreme waters, the place several people today go. And also the bonnethead shrimpfish is rare mainly because it lives completely in salt h2o, wherever less folks go. All these are great environments for rare fish to live in. https://4ftaquariumtank.blogspot.com/2024/08/why-should-you-focus-on-pond-cleaning.html