Wakatobi’s Odd CoupleA closer look at one of the ocean’s most interesting partnerships; fish and crustaceans at Wakatobi. You have just discovered a shrimp goby and its near-constant crustacean companion, the Alpheus shrimp. Division of laborA pair of Gorgeous shrimp gobies (Amblyeleotris wheeleri) standing watch as their Alpheus shrimp roommates slave to keep their burrow clean. One of the hardest of shrimp gobies to find is the White Cap Shrimp Goby (Lotilia graciliosa), which is among the rarer species of shrimp gobies found the Indo-Pacific. As you can see, these little fish are really small compared to the size of a fully adult Alpheus shrimp.