colorful nudibranchs mating on sandy seafloor

adventure are beautiful behavior biodiversity biology ceylonica colorful conservation coral diving ecology ecosystem environment evolution fish gastropod gymnodoris habitat hermaphrodite hermaphrodites indonesia island komodo landscape marine mate mating mollusk national natural nature near nudibranch nudibranchs ocean pacific pair park pattern polkadot rare reef reproduction research sandy scenery scenic science scuba sea seafloor seascape sex simultaneous snails snorkeling tourism travel triangle tropical tropics underwater water wild wildlife