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  1. How do I build a shoal?

    Beginner Freshwater Aquarium
    My 20-gal tank is recently cycled (knock-wood), so I'm planning to add new inhabitants over the next few months. Many of the species I favor are shoaling fish (e.g. Corys), so I'm anticipating a minimum of five individuals. But I'm curious about how to build that community without shocking the...
  2. How to prevent Tiger Barb bullying. Please Help!

    Cyprinids and Atherinids
    Hello everyone, I am new to these forums and a new aquarium owner, and I am writing this thread because I am worried about my new tank! I recently bought a new 10 gallon tank and I put 3 tiger barbs and a shark inside. The barbs leave the shark alone, but the bigger barb has been very...