Blue Hole Anime Details and Episodes In a village in the Comoros, the young Gaia and her grandfather make a living from fishing for coelacanths, large fish classified as a rare and protected… Series info Watch free DetailsFormatMangaStatusFinishedScore60/100SourceOriginalCountryJapan GenresActionAdventureSci-Fi TagsEnvironmentalSurvivalDinosaursSeinenFemale ProtagonistPrimarily Adult CastShipsMilitaryCoastal RelatedBlue World (Sequel) RecommendationsWakusei GaragaRyuu no MichiEden no OriJurrasic ParkGLost ContinentKaijuu no Kodomo