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Kuhlia Xenura Video Stock Footage
The strange-tailed flagtail can be distinguished from the Hawaiian flagtail in having a large eye relative to the size of the head, a straight dorsal head profile, and an olive/bronze tinge along the back. In 2001, the ichthyologist John Ernest Randall and his wife Helen Randall reviewed all nominal flagtail species from the Pacific Ocean. They found out that two species had been lumped together under Kuhlia sandvicensis, one of which had been misidentified as the freshwater K. marginata by some authors (the true K. sandvicensis). They found out that specimens of the common flagtail species from the Hawaiian Islands misidentified as K. sandvicensis matched the description of Xenichthys xenurus and thus Kuhlia xenura became the correct name for one of the two flagtail species from Hawaii.
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