Another enigmatic animal — the Bonellia viridis echiura green spoonworm. To be more exact, not itself, but it's bifurcated trunk, that is used for gathering detritus off the surroundings by trunk's sheltered owner.
The worm's female body is baggy, reminiscent of a semi-drained balloon about fifteen centimetre long, at that, it's trunk may stretch up to one metre lengthways. Males of Bonellia are less then one—three millimetres long, do not have their own digestive system and parasitize inside female.
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