by Cristian Solari
0 
Dorippe frascone (+) Mutualism (+) Astropyga radiata
Observation
Mutualism between sea urchin and crab. Supposedly, the crab gets protection from the spines of the urchin while the urchin gets transported to new feeding places.
Image and posting on inaturalist.org by Alert Kang (user albertkang)
Check this link for more information.
