Silhouettes of silver moony fish majestically peacefully swimming around underwater plant roots and rocks in a orange brown toned tank at a aquarium

color home ecosystem symbiotic relationship cute black family marine aquarium aquatic organisms habitat swimming circling fishes rock seabed beautiful underwater ocean sealife sand light tank vivarium animal nature majestic school group silhouette silver silver moony peaceful dark moody night scuba diamond shiny sunlight tree plant roots hiding nursery brown close up deep