The Melon-headed whale shark is occasional as it largely lives in extreme waters, wherever number of people go. As well as bonnethead shrimpfish is rare since it lives fully in salt drinking water, the place much less people go. Most of these are best environments for rare fish to reside https://aquariumfishtankonline.blogspot.com/2024/11/how-to-choose-best-sobo-aquarium-pump.html