Diets of, and trophic resources exploited by, bathyal penaeoidean shrimps from the western Mediterranean

摘要: The stomach contents of 115 specimens Aristaeomorpha foliacea, 67 Parapenaeus longirostris, and 122 Solenocera membranacea were examined to establish the composition diets. All material was collected by bottom trawls at depths between 198 590 m in Catalan Sea during 1991-93. S. P. longirostris had highly diversified diets based mainly on benthic organisms (polychaetes, bivalves, gastropods echinoderms). In addition, diet also included suprabenthic (mainly gammarid amphipods) a small proportion pelagic organisms. These two penaeoidean species high fullness index values. Both trophic diversity values lower A. foliacea than other species. is specialized feeder (i.e. euphausiids, isopods, Plesionika martia). Thus, disparity food resources exploited recorded for three Analysis Mediterranean bathyal penaeoideans yielded characteristically H' around 5 or above, substantially higher decapod same region. This finding may be generally typical geographical regions both abyssal zones as well shallow waters.