worm
Sipuncula
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Onchnesoma squamatum squamatum (Koren and Danielssen, 1875)

 

Distinguishing characteristics
Worm resemble ball on a string.
Trunk is nearly spherical and introvert up to five times the introvert length.
Skin coarse, densely covered with large gray papillae.
6-8 tentacles.
Single (right) nephridium.

Size
Common trunk length: 4-5mm long and 2-3mm wide

Color
Dark with large gray papillae

Habitat
Inhabits sand and mud as well as detritic bottoms. Known temperatures range between 4° and 10° C.

Feeding
Unknown

Life cycle
Unknown

Distribution
Restricted to the northern Atlantic Ocean and Mediterranean Sea.

References

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