The Sleeper banded goby or Whitebarred goby (Amblygobius phalaena Valenciennes, 1837) belongs to the class of the Actinopterygii, the ray-finned fishes, to the order of the Perciformes and to the family of the Gobiidae, one of the richest of the marine world, which boasts more than 200 genera and almost 2000 species, mainly present in the tropical and temperate seas, but also in fresh and brackish waters, where some, called...