dusky grouper or epinephelus marginatus at cretaquarium in heraklion city, crete island

animal aquarium aquatic attractions city close closeup cretaquarium crete deep destination dusky environment epinephelus europe fauna fish fishing gills greece greek grouper head heraklion holidays icon island islands life marginatus marine mediterranean mouth natural nature ocean open portrait reef sea see sightseeing summer texture tourism travel tropical underwater vacation visit water white wild wildlife yellowbelly