Standardizing the identification approach to be limited to COI could potentially be a major source of controversy, as it has become in the field of taxonomy (DeSalle and others 2005). On the other hand, the compilation of sequence information for a specific gene in all species could greatly improve genetic identification techniques and provide a focused effort for fraud prevention. To this effect, USFDA researchers have recently been investigating the possibility of incorporating DNA COI barcodes in the Regulatory Fish Encyclopedia (RFE)