giant anthelia colony, branch tentacles in laminar flow, live rock nano reef marine aquarium, coral farming in led blue light

anthelia glauca xeniidae soft coral feather indopacific tubular polyp tentacle photosynthetic zooxanthella colonial encrusting fluorescent luminescent sway contract peaceful invertebrate duncanopsammia axifuga dendrophylliidae anthozoa branched disc stoloniferous coralimorph aggregation lateral easytokeep hexacorallia biodiversity fauna underwater wildlife saltwater aquascape vegetation reef tank ecosystem aquaculture propagation current tropical exotic controlled conditions trade pet shop space blurred background glass refraction fragging