Swallows Cave Vavau · Vava'u, Tonga

Every animal recorded herei

3 species, most likely first·How chances work

Bigeye trevallyLeast Concern

Almost always

Nearly every dive

Blacktip reef sharkVulnerable

Almost always

Nearly every dive

Humpback whaleLeast Concern

Likely

About half of dives

What the labels mean →