Ko Usen
What you'll see (19)
Zigzag WrasseHalichoeres scapularisseen 35× near here
White DamselDischistodus perspicillatusseen 27× near here
Moorish IdolZanclus cornutusseen 26× near here
Greenblotch ParrotfishScarus quoyiseen 26× near here
Ocellaris AnemonefishAmphiprion ocellarisseen 26× near here
Checkerboard WrasseHalichoeres hortulanusseen 23× near here
Indian Bullethead ParrotfishChlorurus sordidusseen 22× near here
Triangular ButterflyfishChaetodon triangulumseen 22× near here
Pacific Dusky WrasseHalichoeres annularisseen 20× near here
Magnificent Sea AnemoneRadianthus magnificaseen 19× near here
Indian Redfin ButterflyfishChaetodon trifasciatusseen 18× near here
Blackeye ThicklipHemigymnus melapterusseen 18× near here
Greencheek ParrotfishScarus prasiognathosseen 18× near here
Lined Monocle BreamScolopsis lineataseen 18× near here
Indo-Pacific Sergeant MajorAbudefduf vaigiensisseen 16× near here
Pearly Monocle BreamScolopsis margaritiferaseen 16× near here
Banded Sea UrchinEchinothrix calamarisseen 15× near here
Swarthy ParrotfishScarus nigerseen 15× near here
Skunk AnemonefishAmphiprion akallopisosseen 15× near hereSightings and photographs from iNaturalist contributors, research-grade records within 6km, under Creative Commons licences. Counts are what divers and snorkellers have bothered to log — a common fish with few records is common all the same.