white soft coral. marine animal that looks like a water plant. elongated branched tubes. alcyonacea.

alcyonacea anatomy animal anthozoa aquaculture aquarium aquatic background biology calcium carbonate cells closeup cnidaria cnidarians color column coral corals dive dry education gorgonian holaxonia life marine natural nature ocean polyp polyps reef scleractinia scleraxonia sclerites scuba sea sessile soft spiny stinging stolonifera symbiotic tropical undersea underwater water white wild wildlife zoochlorellae