Their mouths are upturned in a very permanent “frown”, which can be created to catch insects and modest fish that dwell alongside the highest from the water. African butterflyfish are usually darkish brown in colour and they are speckled so that you can blend in While using the surrounding foliage. https://pearlaquatics.my/how-to-build-a-fish-pond-or-a-garden-pond-at-home/