#wormwednesday by Miquel Vila Farré

“Planarians are free living animals of great regeneration ability”. Well, not always. Bdelloura candida, a marine triclad with limited regeneration ability is commensal of horseshoe crabs. Its adhesive disk attaches to hosts, petri dishes…

Its cocoons are so transparent that you can see the embryos developing inside. Have a look at their beautiful eyes and pharynxes!