THREADFIN Blue [ Eleutheronema tetradactylum ]

THREADFIN Blue [ Eleutheronema tetradactylum ]

Blue Threadfin on their head and along their back often have a blue to dark coloration, flowing down to a silver side and silvery white belly. As with all threadfins, they have long thread like filaments extending from in front of their low pectoral fins. Blue Salmon have only 3-4 shorter filaments compared to the King Threadfin that have 5 long filaments.

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