
Ambon Bay
Indonesia · Southeast Asia
Ambon Bay is the world capital of rare critter diving, where the muck and rubble slopes conceal walking sharks, Rhinopias scorpionfish, and mimic octopus — year-round diving is possible with the best macro encounters from September through March.
How this reef is doing
ⓘ How we measure thisReef state
Live coral covers 40% of this reef.
Coral cover
Fish life
Heat
Fishing
Open to fishing, and the water is fairly quiet.
Sources · MERMAID and the survey teams · Global Fishing Watch and reef gravity
Coral cover over time
Live coral cover, by survey year
Across 4 survey years from 2018 to 2024, live coral cover here has risen from 38% to 40%. Every point is a real survey reading, never a projection.
Live coral cover, percent by year
| Year | Coral cover |
|---|---|
| 2018 | 38% |
| 2020 | 45% |
| 2023 | 43% |
| 2024 | 40% |
What you will see
11 species across the dive sites here

Spiny Seahorse
Seen 3 months ago
at Laha
Vulnerable

Ornate Ghostpipefish
Seen 3 months ago
at Laha
Least concern

Papuan Cuttlefish
Seen 3 months ago
at Laha

Snowflake Moray
Seen 3 months ago
at Laha
Least concern

Leaf Scorpionfish
Seen 3 months ago
at Laha
Least concern

Rhinopias Scorpionfish
Seen 3 months ago
at Laha
Least concern

Ambon Scorpionfish
Seen 8 months ago
at Ambon Pinnacle
Least concern

Cuttlefish
Seen Mar 2025
at Ambon Pinnacle

Mimic Octopus
Seen Oct 2024
at Laha
Least concern

Epaulette Shark
Seen year round
at Laha
Near threatened

Tasselled Wobbegong
Seen year round
at Ambon Pinnacle
Least concern

