Barbs are energetic fish that school in teams of at least five and can't be retained with sluggish or weak tank mates as they are often quite reckless. Marbled river stingrays are one of the rarest fish on the globe. They expend most in their lives buried during the sand https://customaquariumtanks.blogspot.com/2025/01/what-you-must-know-before-keeping.html