As opposed to most shelled hermit crabs and you will anemones, such strong-water symbionts enter into an inseparable, still collectively helpful dating
It symbiotic dating has now started discussed in a lot of types of hermit crab (Sympagurus trispinosus, Parapagurus dofleini, Parapagurus trispinosus) and you can water anemone (Stylobates aeneus, Stylobates birtlesi, Stylobates cancrisocia) along the planet’s oceans, suggesting that anemone “shells” are more preferred than simply was previously believed
From the profile below, a hermit crab (S. trispinosus) are decorated which have a comparatively new anemone (S. birtlesi) carcinoecium. a great and you will b were taken underwater from inside the situ. Within the c and you will d, this new carcinoecium resembles a brown and you can white stone otherwise cover-including framework. New bronze portion overlapping the carcinoecium is the anemone. age brings a beneficial closeup of your own dental drive of your own anemone, having tentacles up against inward. Into the f, the new spiral shape of the new carcinoecium is obvious, with nice space to the hermit crab. Brand new anemone covers over the frontmost line, and can secrete the newest chitinous design since the crab grows long.
Due to the fact worm retracted on the layer, which beginning and crown perform certainly turn-in to the alone such as for instance this new hand from a rubber glove (or perhaps the eye-base away from a good Liguus)
Since an added work for, the newest hermit crab obtains a permanent family that is managed and you will increased because of the anemone throughout their lifestyle. (閱讀全文…)