Specifically, in order the study high-lighted the use of E. diacanthus, a Near Threatened (NT) speciesaccording to IUCN (2014) to replace the grouper (E. marginatus) fil-lets. Indeed, the grouper (E. marginatus) is an overfished species(IUCN, 2014) and listed as Endangered (EN) due to a suspectedpopulation size reduction of well over 50% over the last three gen-erations and considered to be facing a very high risk of extinctionin the wild (IUCN, 2014).