Swallows Cave Vavau · Vava'u, Tonga
8 species, most likely first·How chances work
Blacktip reef sharkVulnerable
Almost always
Nearly every dive
Blue Linckia
Likely
About half of dives
Orangefin AnemonefishLeast Concern
Scissortail SergeantLeast Concern
Humpback whaleLeast Concern
Humbug DascyllusLeast Concern
Sometimes
About 1 in 3 dives
Sixbar WrasseLeast Concern
Bigeye trevallyLeast Concern
Expected
Known here, not yet in recent logs
What the labels mean
