10) Danios DaniosThese small fish are a great first fish. When first starting up a tank, you need to test the water.
Because these fish are hardy and do well in a variety of conditions, they are a perfect first choice.
Danios are active and small. Typically, they prefer to be in a group near the surface of the water.
Most have bright horizontal stripes that grab your attention as they zoom around the top.
They are not picky eaters and do well with flake fish food.