For management purposes, Longman's beaked whales inhabiting U.S. waters have been placed into a single Hawaiian stock. The population of Longman's beaked whales is unknown and no estimates exist. Based on a shipboard line-transect survey from 2002, the best available abundance estimate for the stock that occurs throughout the Hawaiian Islands "EEZ" is 370-770 individuals. There are insufficient data available on current population trends.
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