Kakaban, where the jellyfish Not Reversed Toxic and Swim!

Kakaban has 774.2 hectares and the area in terletek Derawan Islands, Sub Derawan, Berau, East Kalimantan.

Derawan Islands



Kakaban attract foreign tourists with a unique, one of the lakes on the island of Lake Kakaban. Which the lake is filled by a mixture of rain water and seepage water from soil pores and create a different habitat endemic in most other regions of the world's lakes, except Lake Kakaban no one else with the brackish water lake that is in the Palau Islands, Micronesia.

Lake Kakaban





Lake Kakaban, is sea water Kakaban trapped, plus the water from the soil and rain water from 2 million years ago. Lake Kakaban a prehistoric lake that is Holosin transitional period. The extent of approximately 5 km ², the cliff walls as high as 50 meters, which resulted in sea water is trapped no longer get out, into the lake. Administratively, Lake Kakaban including Berau Regency, East Kalimantan.

Biota in Lake

Because of the changes and evolution long enough by rain water and ground water, lake water became more fresh than the sea around him. These changes also affect the adaptation of existing marine fauna in the lake. Jellyfish for example, because of the limited food, eventually adapt to doing simbiose mutualistis with algae. Algae is a producer of food and to cook food with the help of sunlight.

For thousands of years the lake in the middle of this sea, of course, creates an ecosystem that is very unique individual.

This unique lake has four types of jellyfish, one of which is the jellyfish Cassiopea species.



The story is very interesting symbiosis. Jellyfish Kakaban, placing his foot on the algae, because algae are concerned to get the sun as a means of doing fotosistesa, the jellyfish eventually went upside down, with legs up and head down. Unique way of walking which is what attracts scientists and divers to see the evolution of marine fauna that eventually behave strangely for their survival. Note the divers also gives a picture, the animals in this lake has a more colorful light when it was getting dark. Allegedly, at this lake will be found many new kinds.
Jellyfish Cassiopea species residing in Lake Kakaban, Kakaban

Only two of the world

In the world, a place like this was only found in Palau, Micronesia Islands in the South East Pacific region. Thus Kakaban is the only island in Indonesia which has a lake in the middle.

Also on the outskirts of the beach is also growing mangrove forests, which is inhabited by many kinds of crabs, sea cucumber and sea snakes. Lots of animal species that have not been identified in this region. Dr. Thomas Tomascik, a Canadian oceanographer, said Kakaban a wealth of biological paradise in Indonesia. Mystery of how animals and plants are isolated in this lake is one of the most popular objects by scientists to uncover. Therefore, this sea is deservedly the object of nature conservation should be protected and preserved.

One of the interesting phrase, how such a marine animals that still survive today whereas water hardness in it had changed completely.

Kakaban in the local language is an island that "hug" '. So Kakaban means "an island that embraces the lake", including the flora and fauna that filled the uniqueness.

Biota around Kakaban


Dermaga di Pulau Kakaban