tetras freshwater fish in tank

adding aesthetic algae amphibian angel angelfish animal appearances aquarists aquarium aquariums aquascaping aquatic beauty behaviors biodiversity bird care catfish cichlids colorful colors community compatibility conservation ecological ecosystem ecosystems endangered endemic enthusiasts environments exotic extraordinary fascinating feeding filtration fish food freshwater gourami graceful health impact invertebrate killifish lighting loaches maintenance mollies native organism originate ornamental parameters plants platy popular quarantine rasboras reef regions reptile seafood sought species substrate sustainability tank tankmates tetra tropical turtle underwater vibrant water wildlife wonder world