Magnus Lundgren / Wild Wonders of China / White stripe urchin shrimp (Stegopontonia commensalis) among the spines of its host sea urchin. Commensal shrimp. Xiaoliuqiu Island, Taiwan
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Fred Bavendam / Needle Shrimp (Stegopontonia commensalis) lives among the sharp protective spines of a Long Spine Sea Urchin host (Diadema setosum), Bali, Indonesia
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David Fleetham / Radiant / Blue spotted sea urchin (Astropyga radiata), on a coral head, with two (male and female) resident shrimp (Stegopontonia commensalis), with diver behind, Hawaii.