Jellyfish Lake

Eil Malk Island, Palau

Depth

10m

Visibility

10m - 30m

Entry

Shore

Experience Level

Beginner

Jellyfish Lake

Eil Malk Island, Palau

Depth

10m

Visibility

10m - 30m

Entry

Shore

Experience Level

Beginner

About Jellyfish Lake

No scuba here this is snorkel heaven. Verify the lake status before you go out it has been closed by the government now and then for enviro reasons. There are 60 lakes in the Rock Islands that are affected by oceanic tides. They range from 5 30m deep. Others are formed by limestone and are totally isolated from the ocean. The biodiversity is interesting due to the fact that there are no predators - like Jellyfish Lake at Ail-Malk. Its a bit of a climb to the top of the island and then to the lake in the middle of paradise. Big white Moon Jellyfish and the Mestiga jellyfish both not able to sting, live in this lake. The trail leads you to a clear lake where you can join nearly two million jellyfish! The Mestiga Jellyfish eats Algae and hosts them they photosynthesize by following the sun across the lake. They disappeared during El Nino when it got warmer. Their life-cycle starts off as a polyp and then heads into the Larva stage before adult. The larva simply de-pupate into Polyps if the temperature is not right.

Jellyfish Lake Dive Info

Terrain & Features

Inland, Other

Entry Type

Shore

Max Depth

10m

Visibility Range

10m – 30m

Experience Level

Beginner

Best Gas Mix

21%

O₂

CNS Load (45 min)

7% at 8m / 36%

O₂

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Marine Life

Jellyfish

Weather Conditions

Water temperature (℃)

Air temperature range (℃)

Average air temperature (℃)

Wind speed (km/h)

Precipitation (mm)

Dive Operators near Jellyfish Lake

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Location

Dive Site Hazards

Thermocline Buoyancy Shift — Sharp thermoclines can cause sudden buoyancy changes.
Instant Visibility Collapse — Sediment disturbance can eliminate visibility immediately.
Late Detection of Structures — Submerged structures may only appear at very close range.

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