Graham Eaton / Two-spotted Goby (Gobiusculus flavescens) amongst seaweed, Cardigan Bay, Wales, UK, August

Fred Bavendam / Spotted Prawn Goby (Amblyeleotris guttata) sharing a burrow with a Find-striped Snapping Shrimp (Alpheus ochrostriatus), Bali, Indonesia

Fred Bavendam / Metallic Shrimp-goby (Amblyeleotris latifasciata) keeping watch while a Snapping Shrimp (Alpheus sp) works on their shared burrow, Bali, Indonesia