Snorkeler with moon jellyfish (Aurelia sp), in Jellyfish Lake, located on Eil Malk island, Rock Islands, Palau, Micronesia, Pacific

A pair of moon jellyfish (Aurelia sp), in Jellyfish Lake, located on Eil Malk island, Rock Islands, Palau, Micronesia, Pacific

Snorkeler with moon jellyfish (Aurelia sp), in Jellyfish Lake, located on Eil Malk island, Rock Islands, Palau, Micronesia, Pacific

Hydrozoan medusa (Aequorea sp.) and diver, Truk lagoon, Chuuk, Federated States of Micronesia, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Hydrozoan medusa (Aequorea sp.) and diver, Truk lagoon, Chuuk, Federated States of Micronesia, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Skin detail, Jellyfish (Mastigias sp.), Palau, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Jellyfish (Mastigias sp.), Palau, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Stingless jellyfish (Mastigias sp.), Jellyfish Lake, Palau, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Stingless jellyfish (Mastigias sp.), Jellyfish Lake, Palau, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Red Sea.

Jellyfish (Mastigias sp.), Palau, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Red Sea.

Jellyfish, Mastigias sp., Palau, Micronesia.

Sunrays illuminate a jellyfish, Mastigias sp., Jellyfish Lake, Kakaban Island, Berau, Kalimantan, Borneo, Indonesia, Pacific Ocean

Sunrays illuminate a jellyfish, Mastigias sp., Jellyfish Lake, Kakaban Island, Berau, Kalimantan, Borneo, Indonesia, Pacific Ocean

The larval stage of a tube anemone (Cerianthus sp), likely around 30 days old at this point, will settle on the bottom at approximately 100 days. Photographed at night one mile off the island of Yap, Yap, Federated States of Micronesia

Marshall Islands, Kwajalein Atoll, Pair of jellyfish (Olindas sp?)

Jellyfish in a lake, Kakaban Island Indonesia

Detail of a cauliflower jellyfish, Boueni Pass, Mayotte

Jellyfish (Mastigias papua) of Lenmakana lake. This lake is isolated from the rest of the ocean by ramparts several tens of meters high. It is connected to the ocean by terrestrial channels but it prevents the entry and exit of living organisms. These jellyfish have therefore found refuge in what is for them a haven of peace. They have proliferated to reach millions of people. Misool, Rajat Ampat, Indonesia

Flying Jellyfish (Mastigias papua) of Lenmakana lake. This lake is isolated from the rest of the ocean by ramparts several tens of meters high. It is connected to the ocean by terrestrial channels but it prevents the entry and exit of living organisms. These jellyfish have therefore found refuge in what is for them a haven of peace. They have proliferated to reach millions of people. Misool, Rajat Ampat, Indonesia

Black water and Jellyfish (Mastigias papua) of Lenmakana lake. This lake is isolated from the rest of the ocean by ramparts several tens of meters high. It is connected to the ocean by terrestrial channels but it prevents the entry and exit of living organisms. These jellyfish have therefore found refuge in what is for them a haven of peace. They have proliferated to reach millions of people. Misool, Rajat Ampat, Indonesia

Jellyfish in a lake, Kakaban Island Indonesia

Jellyfish in a lake, Kakaban Island Indonesia