|Let's get in the water! Photo by Kim Bracken.|
Lake Apoyo is not just a freshwater lake, however. It is a volcanic crater lake, occupying a huge volcanic caldera between Volcano Masaya to the north and Volcano Mombacho to the south along the string of volcanoes across the Pacific side of Nicaragua. Because the Apoyo volcano is mostly a hole, however, the lake is its most prominent feature.
|Divers discuss their dive plan before heading down. Photo by Kim Bracken.|
Not so many fish species occupy Lake Apoyo: only jaguar cichlids (Parachromis managuensis), mollies (Poecilia sphenops), silversides (Atherinella sardina), and several members of the Midas cichlid species complex (Amphilophus cf. citrinellus) are considered native. These fish populations probably got their start in Lake Apoyo by hurricanes, birds, or even the precolombian human populations that could have brought some individuals from Lake Nicaragua, just four kilometers to the east.
|Several endemic fish species from the Amphilophus species flock occupy Lake Apoyo. The research group at GAIA has discovered five species to date. Photo by Balasz Lerner.|
|After collecting data, a relaxing moment by the pier is in order! Photo by Kim Bracken.|
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