Barbs are energetic fish that school in groups of a minimum of five and can't be retained with sluggish or weak tank mates as they can be fairly reckless. The bonnethead shrimpfish is amongst the rarest fish globally, combined with the marbled river stingray along with the melon-headed whale shark. https://sobo5feetaquarium.blogspot.com/2025/02/how-to-set-up-your-first-aquarium.html