Although its probably a plus for you as an aquarist to be fond of whatever dither fish you have.
Dither fish don't need to be colorful, or interesting, often times, dither fish are seemingly mindless, bumbling, schoolers.
Hense the term, dither fish.
The point of dither fish is to serve a purpose, to make your main focus of the tank (in your case a future cichlid) feel comfortable, and show itself .
Without dither fish, many cichlids spend most of the day hiding, until they feel comfortable.
Cichlids use, and watch dither fish in nature as an early warning system, and that instinct does not go away because they are put in a glass box.
If mindless ditherers are nonchalantly bumbling around, then the cichlids deem it to be safe to come out, (that danger), in the form of fish eating birds or other predators is not present.
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As in the video below
Azul imovie edit