Zu is a small genus of ribbonfishes.
Species There are currently two recognized species within the genus Zu: Zu cristatus (Bonelli, 1819) (scalloped ribbonfish) Zu elongatus Heemstra & Kannemeyer, 1984 (taper-tail ribbonfish)
The scalloped ribbonfish is found around the oceans of the world in the tropical latitudes, while the taper-tail ribbonfish is limited to the southeast Atlantic.
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