ity or taxocenosis but considering all the species, including fish, crustaceans, cephalopods, and other invertebrates, and thus encompassing the relationships between macro-epibenthic invertebrates and demersal fish are scarce in the western Mediterranean [33???35] as well as on the Spanish coast [30, 36, 37].In the Spanish Mediterranean, the total trawl fleet in 2009 was composed by 797 vessels [