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Silver Arawana

Osteoglossum bicirrhosum

This muscular fish is locally known as the "water monkey" because it can jump out of the floodwaters to snatch beetles and spiders from nearby tree branches. Adults can propel themselves more than 3 feet - their body length - out of the water, targeting small birds, bats, and frogs. The arawana also nabs insects and spiders that fall into the water.

As it swims at the waters surface, its unique horizontally divided eye structure enables it to simultaneously survey two worlds - above and below water - for prey. Two barbels projecting from its chin may help it sense insects' vibrations in the water.

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