
Memba Bay
Mozambique · Indian Ocean
Unstudied northern Mozambique coastline with seasonal whale shark and manta ray sightings, 1,000 km north of the well-known Tofo aggregation.
How this reef is doing
ⓘ How we measure thisReef state
Live coral covers 22% 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 2022 to 2025, live coral cover here has fallen from 30% to 22%. Every point is a real survey reading, never a projection.
Live coral cover, percent by year
| Year | Coral cover |
|---|---|
| 2022 | 30% |
| 2023 | 26% |
| 2024 | 24% |
| 2025 | 22% |
What you will see
13 species across the dive sites here

Reef Manta
Seen May 2024
at Memba Bay
Vulnerable

Whale Shark
Seen May 2024
at Memba Bay
Endangered

Checkerboard Wrasse
Seen year round
at Memba Bay Reef
Least concern

Giant Clam
Seen year round
at Memba Bay Reef
Critically endangered

Great Barracuda
Seen year round
at Memba Pinnacle
Least concern

Lionfish
Seen year round
at Memba Bay Reef
Least concern

Mantis Shrimp
Seen year round
at Memba Bay Reef

Sea Fan
Seen year round
at Memba Pinnacle

Napoleon Wrasse
Seasonal visitor
at Memba Pinnacle
Endangered

Spotted Eagle Ray
Seasonal visitor
at Memba Pinnacle
Endangered

Eastern Twig Snake
Rare sighting
at Memba Bay
Least concern

Spotted Bush Snake
Rare sighting
at Memba Bay
Least concern

Stripe-Bellied Sand Snake
Rare sighting
at Memba Bay
Least concern


