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  • A longfin and shortfin eel on a white background.
    Rights: NIWA, Taihoro Nukurangi Published 19 March 2014 Size: 43 KB Referencing Hub media

    Longfin eels can be identified because the dorsal fin is longer and extends further forward than the anal fin. In the shortfin species, the dorsal and anal fins are of a similar length.

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