St John's Reef · Brothers Islands
6 species, most likely first·How chances work
Green turtleLeast Concern
Almost always
Nearly every dive
Napoleon wrasseEndangered
Scalloped hammerhead sharkCritically Endangered
Likely
About half of dives
Grey reef sharkEndangered
Expected
Known here, not yet in recent logs
Whitetip reef sharkVulnerable
Reef manta rayVulnerable
What the labels mean