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Among these environments are the inner flats and the external slopes north, south and west which are the richest in fish species.

== How to get there ==

'''By boat''' from Mananara to the park (1-1.5 hour by speedboat, 3-4 hours by slow boat), or from [[Antanambe]] to the park (45 minutes by speedboat). From Soanierana Ivongo or [[Sainte Marie]] to Mananara it takes 5 hours by boat respectively. The sea is calm from April to October.

The admission fee for visiting the park for foreign tourists is 45,000 Ariary per day, children pay 25,000 Ariary per day (prices 2015). Guides are obligatory. The fee for a guide depends on the chosen tour (circuit). There are also porters available. The fee for a porter is 12,000 Ariary per day, including his meals and accommodation.

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== Population ==