shoal of aquarium fish-barbus

africa amazon angelfish animal aquarium aquatic banded barb barbus caeruleus cichlid cichlidae colorful duckweed dwarf exotic fins fish fishbowl five fivebanded flippers grass green ground inhabitant lagoon malawi marine material nature ocean pentazona pond predator pterophyllum red reef rock scuba shoal spawn swim tropic tropical undersea underwater water yellow zebra