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The Mosquito Wreck is an authentic Second World War Japanese ship lying on its side in 15–25 m of water, located in the Sugud Islands Marine Conservation Area near Lankayan Island in the Sulu Sea. The wreck carries genuine wartime history, and its bow gun remains remarkably intact, making it a classic subject for wide-angle photography when visibility allows.
The hull sits between 15 m at its shallowest and 25 m at the bottom, resting on its side with twisted metal and structural debris spread across the site. The degraded hull and collapsing bulkheads mean penetration is strictly prohibited; divers observe the exterior only, maintaining careful buoyancy to avoid touching the fragile structure or disturbing the fine silt on the seabed, which creates backscatter and can quickly cloud visibility if fins kick the bottom.
Dense schools of jacks and barracuda patrol the perimeter in the mild currents, while large tropical groupers shelter in the twisted metal. Giant marbled stingrays and bamboo sharks rest in the structural debris nearby. Looking up into the blue, divers occasionally spot manta rays passing overhead, and whale sharks are seen seasonally between March and September. No-decompression limits restrict bottom time to roughly 45 minutes.
Water temperature stays warm year-round, ranging between 26 and 30°C. Currents are generally mild. The Sulu Sea carries heavy sediment from mainland river systems, so visibility can be limited by persistent fine particles; wide-angle photography is best attempted when it clears. The site is rated intermediate to advanced, and while no specialist wreck certification is required to dive the exterior, good buoyancy control is essential.
Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.
Willan's ChromodorisChromodoris willaniReported here · unconfirmed
Australian Blue DragonPteraeolidia ianthinaReported here · unconfirmed
Painted SweetlipsDiagramma pictumReported here · unconfirmed
Acropora milleporaReported here · unconfirmed
Acropora tenuisReported here · unconfirmed
Acropora floridaReported here · unconfirmed
Manta rayManta rayReported here · unconfirmed
Whale SharkRhincodon typusReported here · unconfirmed
BarracudaBarracudaConfirmed present · 2 independent sources
GrouperGrouperConfirmed present · 2 independent sources
Green Sea TurtleChelonia mydasObserved near here · iNaturalist
Common LionfishPterois volitansObserved near here · iNaturalistDurable tips from divers — access, hazards, marine life, facilities. For day-of conditions, use the report tool in the conditions card above.
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