Blue Hole, Guam · Mariana Islands (Guam & Saipan)

Every animal recorded herei

3 species, most likely first·How chances work

Blackfin BarracudaLeast Concern

Almost always

Nearly every dive

Grey Reef SharkEndangered

Almost always

Nearly every dive

LionfishLeast Concern

Almost always

Nearly every dive

What the labels mean →