The Needlemouth, Acusos cadaverosus, is an aggressive, predatory, gar-like holost from the swamps of Skull Island. It measures 9-13 feet long.

An aggressive predator of the rivers, the needlemouth is a gar-like holost found throughout the streams and tributaries of the island. Needlemouths are swift and maneuverable, able to negotiate the leaf-chocked jungle streams in pursuit of their favored prey: smaller to medium-sized bony fish like stink-fish (though they also jump to catch swamp-wings). These impressive hunters are the sharks of the waterways. While many of the reptilian river carnivores are ambush predators, needlemouths chase down their fast-moving prey, matching their speed and turns in flat-out races.

They themselves can become prey to killer-eels.


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