sinularia dura mushroom coral grow on live rock, active animal move tentacle to catch plankton in reef marine aquarium ecosystem

sinularia brassica cabbage leather coral misshapen lump alcyoniidae cnidarian polydactyla soft indopacific polyp branch photosynthetic zooxanthellae shape current encrusting stone shallow captivity space background solitary aquatic biodiversity fauna environment underwater propagation lateral widespread salt saltwater aquadesign aquascape hardscape reef tank aquaculture colorful flow tropical coralimorph decorative exotic macro controlled conditions explore pet shop allmymoneygoestocorals glass refraction fragging dura mushroom grow live rock active animal move tentacle catch plankton marine aquarium ecosystem easy beginner aquarist led actinic light relaxing mood