Cover all sides of your tank with brown paper to mimic a real life lake/ocean/pond. And your fish will be less stressed out and their true personality can shine through.
Tested out with my Pea Puffer tank, and they look so calm and full of thoughts, compared when they were in the fish shop. I...
I recently added to my school of Harlequin Rasbora and moved them into my 55 gallon tank.
When I first purchased them, I was working with limited options and not super excited. Once they settled in though I had a blast watching them. They would run around the tank and poke their noses...