Fred Bavendam / Goby (Amblyeleotris sp) keeping watch while a Snapping Shrimp (Alpheus randalli) excavates their shared burrow, Bali, Indonesia

David Hall / Arcfin shrimpgoby (Amblyeleotris arcupinna) and Snapping shrimp (Alpheus sp), blind shrimp maintaining contact with goby via antenna. Mutualism with shrimp maintaining burrow and goby acting as lookou...

David Hall / Shrimpgoby (Amblyeleotris arcupinna). Pantar, Alor Archipelago, Indonesia.

David Fleetham / Steinitz' prawn / shrimp goby (Amblyeleotris steinitzi) and Alpheid worker shrimp (Alpheus sp) side by side. Mutualism occurs between the two species, the blind shrimp maintaining the shared burro...

Magnus Lundgren / Wild Wonders of China / Masked shrimpgoby (Amblyeleotris gymnocephala) and shrimp in Lembeh Strai, Sharp Island or Kiu Tsui Chau, Kiu Tsui Country Park, Hong Kong, China.

Magnus Lundgren / Wild Wonders of China / Masked shrimpgoby (Amblyeleotris gymnocephala) and shrimp in Lembeh Strai, Sharp Island or Kiu Tsui Chau, Kiu Tsui Country Park, Hong Kong, China.

David Fleetham / Red-banded prawn-goby (Amblyeleotris fasciata) Yap, Micronesia.

Bert Willaert / Steinitz' Shrimp goby (Amblyeleotris steinitzi), Kimbe Bay, West New Britain, Papua New Guinea

Tony Wu / Red-margin shrimp goby (Amblyeleotris rubrimarginatus) Bootless Bay, Papua New Guinea

Pete Oxford / Gold-barred Shrimp-goby (Amblyeleotris randalli), Cenderawasih Bay, West Papua, Indonesia

Pascal Kobeh / Djeddah snapping shrimp (Alpheus djeddensis) and Steinitz's goby (Amblyeleotris steinitzi) at hole, these species are symbiotic with the goby guarding the shrimp as it digs, coast of Dhofar and Hallan...

Pascal Kobeh / Red-banded shrimp (Alpheus randalli) and Pinkbar goby (Amblyeleotris aurora) symbiotic pair with goby protecting shrimp as it digs. Maldives. Indian Ocean.