The melon-headed whale shark is occasional since it typically life in powerful waters, in which couple men and women go. And the bonnethead shrimpfish is rare because it lives fully in salt h2o, in which less people today go. All these are great environments for rare fish to are in. https://share.evernote.com/note/bfed7ae9-7af5-3e6f-3125-3e1308b93984