Their mouths are upturned in the long term “frown”, which is designed to catch insects and tiny fish that dwell alongside the very best with the drinking water. African butterflyfish usually are darkish brown in shade and so are speckled so that you can Mix in with the bordering foliage. https://pearlaquatics.my/what-should-be-your-first-steps-to-set-up-an-aquarium/