two freshwater angelfishes looking at each other, popular aquarium pets, tropical fish from the amazon basin

amazon angel angelfish angelfishes animal animals aquaculture aquarium basin black brazil brazilian breeding cichlid cichlidae cichlids colombia common each exotic fin fins fish fishes fresh freshwater gray grey ichthyology known life long looking marine ornamental other peru peruvian pet pets popular portrait pterophyllum river scalare striped stripes trade tropical two water well white zoology