Their mouths are upturned in the lasting “frown”, which happens to be created to catch insects and compact fish that dwell alongside the top in the drinking water. African butterflyfish are often dim brown in color and are speckled as a way to blend in Together with the encompassing foliage. https://pearlaquatics.my/why-hiring-a-professional-aquarium-or-pond-cleaning-service-is-important/