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Kakaban lake, ancient lagoon isolated 2 million years ago in Derawan created four unique jellyfish species

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Tinuku Travel ~ Kakaban Lake is ancient lagoon has an area of 5 square kilometers and walled cliffs as high as 50 meters where seawater trapped in Kakaban Island early as 2 million years ago. Kakaban lake is a lake formed by tectonic activity as that of the geological transition Holosin and sea water trapped into the lake so bring very unique biota evolution.

Kakaban lake is built on a lagoon from the ancient atoll ring-shaped Kakaban island, Derawan islands, Derawan district, Berau regency, East Kalimantan, presenting panoramic sea jellyfish isolated for 2 million years and results in evolution in which rainwater and water freshwater lake land more than the sea water in vicinity.

Tinuku Travel Kakaban lake, lagoon ancient isolated 2 million years ago in Derawan created four unique jellyfish species

Tinuku.com Travel Kakaban lake, lagoon ancient isolated 2 million years ago in Derawan created four unique jellyfish species

The changes affect the adaptation of marine fauna in the lake, life trapped have limited food and adapted to perform in mutualism symbiosis with algae to process nutrients using sunlight. For millions of years the lake in the middle of ocean creating an ecosystem of its own very unique.

The travelers landed at small dock and wooden staircase uphill then downhill 300 meters to lead to edge of lake behind the hill. Stairs made of ironwood and looking grove of mangrove and other tropical trees. The outer side Kakaban Island is high and steep cliffs straight into the sea with beautiful coral reefs, caves and hallways.

The mixture of rainwater and seepage of sea water from the soil pores to create a different habitat endemic in most areas other lakes in the world. Jellyfish became lost the ability to sting and use photosynthesize in which almost no other animal can do it.

Another uniqueness is Kehe Daeng or fish hole where narrow cave when the tide and submerged in sea water the fish will appear on the surface to be colorful coral and starfish can be easily touched.

Four types of jellyfish in Kakaban lake is incorporated translucent jellyfish Aurelia aurita, jellyfish the size of a fingertip Tripedalia cystophora, jellyfish the size of a fist and glowing blue brown Mastigias papua and Cassiopeia ornata.

Four jellyfish is very unique and Cassiopeia ornata put algae in the legs because of algae concerned to get the sun as a means to carry out photosynthesis, while the jellyfish eventually walk upside down with the feet up and head down.

Unique gait attract scientists and divers to determine the evolution of marine fauna in the act in order to maintain life. The animals in Kakaban have more colorful light when night. On the seaside grow mangroves Rhizophora sp., Bruguiera sp., Avicennia sp., And Sonneratia sp. which is inhabited by many species of crab, sea cucumbers and sea snakes.



Eight species of fish are Apogon lateralis, Exyrias puntang, Antherinomorus endrachtensis, Zenarchopterus dispar and others. Rhizopora roots submerged in the banks of Kakaban lake commonly found algae Halimeda and Caulepa that resemble small green grapes.

Many types of animals that have not been identified in the Kakaban island. An Canadian oceanographer Thomas Tomascik said Kakaban a paradise biological wealth. The mystery of how animals and plants are isolated in the lake is one of the objects to be uncovered.

Travel.Tinuku.com Kakaban lake, lagoon ancient isolated 2 million years ago in Derawan created four unique jellyfish species

Tinuku Travel Kakaban lake, lagoon ancient isolated 2 million years ago in Derawan created four unique jellyfish species

Location: Kakaban island, Derawan islands, Derawan district, Berau regency, East Kalimantan.

Activity: Diving, snorkeling, swimming, fishing, canoeing, trekking, hiking, camping, hammocking. Explore the flora and fauna. Seeing sunset and sunrise, hunting photography and videography, and others.

Complementary facilities: Rental snorkel gear and boats. Restrooms, restaurants, cottages and resorts.

Access Reach: 176 km from Tanjung Redeb city (3 hours).

Routes and public transport: All flights to Kalimarau Airport in Tanjung Redeb city. Then use the car to Tanjung Batu port (3 hours), then use a speedboat to Derawan Islands (45 minutes).

Another alternative is flying to Juwata Airport in Tarakan city, North Kalimantan. Then take a taxi to Tengkayu port (15 minutes), then use a speedboat to Derawan Islands (4 hours).

WARNING: Drain and wash up when switching to swim in Kakaban lake and sea for plankton, larvae and other are not mixed.

Do not move, capture or bring jellyfish habitat outside or into lake. Do not wear sunscreen lotion to swim in lake and do not throw garbage in Kakaban island.

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