common scalars in an aquarium. cichlid family

scale aquatic hobby striped swim angelfish aquarium goldfish tropical animal black fish fresh water nature triangular closeup plant neotropical america angel deep eye fin grey metallic pet tank underwater exotic life silhouetted fauna freshwater wild zoology aquaculture blue breeding glistening macro red beautiful cichlid aquarist hobbyist flattened ichthyology pterophyllum scalare common scalars aquarium family ordinary