Zu cristatus explained

Zu cristatus, the scalloped ribbonfish, is a ribbonfish of the family Trachipteridae found circumglobally in all oceans at tropical latitudes, at depths down to 90 m. Its length is up to 118 cm.

In the past, the binomial name Trachypterus iris was misapplied to this fish.^{[1] [2]}

Notes and References

1. http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.522.2886&rep=rep1&type=pdf King, Joseph E., and Isaac I Ikehara, "Some Unusual Fishes From the Central Pacific," Pacific Science, Volume X, January 1956 Retrieved September 1, 2018
2. https://www.fishbase.de/Nomenclature/SynonymSummary.php?ID=13192&GSID=&GenusName=Trachypterus&SpeciesName=iris&SpecCode=1776&SynonymsRef=6560 fishbase.de Trachypterus iris (non Walbaum, 1792) Misapplied name for Zu cristatus (non Walbaum, 1792) Retrieved September 1, 2018