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Talk:Sabinella troglodytes

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Sabinella troglodytes is a parasitic snail found near the coast of Brazil which lives on the body of the slate pencil urchin Eucidaris tribuloides. S. troglodytes feed and live on the spines of sea urchins. Unlike most of its gastropod relatives, S. troglodyte has lost its radula so they gain access to all that soft internal spine tissue of a sea urchin by secreting some kind of corrosive substance that eats through the tough walls of the spine. This parasitic snail is not content to simply just feed on the sea urchin, they also alter the urchin's spines to make it a more comfortable home. Sabinella troglodytes is one of many species of gall-forming snails that parasitize echinoderms.It is currently unknown how S. troglodytes alters the sea urchin's spines, but it could be due to some other components in the snail's saliva. In addition, a corrosive agent might be used to erode the sea urchin's spine, it might also be spitting out growth factors that alter the tissue of the spine. In addition to being a cozy place to feed and hide from threats, these galls seem to be a bit of a love nest for S. troglodytes during the summer months. [1]

  1. ^ The gall-former Sabinella troglodytes (caenogastropoda: Eulimidae) and its association with Eucidaris tribuloides (Echinodermata: Echinoidea). Journal of Conchology 42: 371-377.

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