| Summary: | 12 páginas, 2 figuras, 2 tablas. [EN] The occurrence and weight of food items in the stomacs of 2251 Phycis blelnnoides and 395 Antonogadus megalokynodon caught in the western Mediterranean Sea is described. The stomach contents consisted of Decapoda (Alpheus glaber, Calocaris macandreae, etc.), Amphipoda, Mysidacea, others Crustacea, Polychaeta and Pisces. Pisces and Decapoda occurring most frecuently in the largest specimens of P. blelnnoides. The increase in the length of prey with fish size was observed for this species. Benthic prey were found by sight being detected by taste buds on the trailing barbels and pelvic fin rays. [.] Goneplax rhomboides, Lesueurigobius friesii, Meganyctiphanes norvegica, Pasiphaea sivado, Homologyridae, Sepietta oweniana, Sepiola rondeletti, Aphroditidae, Nephthys sp. Hyalinoecia bilineara, Spionidae, Undinopsis bradyi, Aetideopsis sp. Aetideus sp., Apseudes sp., Cirolanidae, Gnathia sp., Praniza, Ilyarachna sp., Ilyarachnidae, Munnopsidae, Lilljeborgia sp., L. della-vallei, Scopelocheirus hopei, Colomastix pusilla, Ampelisca diadema, A. typica, Ampelisca sp., Synchelidium haplochetes, Lysianassidae, Aristias neglectus, Aeoridae, Epimeria cornigera, Eusirus longipes, Gammaroidea, Phtisica marina, Vibilia armata, Boreomysis megalops, Pseudomma sp., Erythrops napolitana, Lophogaster typicus, Mysideis sp., Amblyops sp., Mysidopsis sp., Mysidetes sp., Nyctiphanes couchii, Solenocera membranacea, Pasiphaea multidentata, Processa mediterranea, P. caniculata, Pandalina profunda, Pontocaris lacazei, Philocheras echinulatus, Pontophilus spinosus, Acantephyra sp., Richardina fredericii, Chlorotocus crassiocornis, Natantia, Jaxea nocturna, Scyllarus pigmaeus, Munida sp., Medaeus couchi, Macropipus depurator, Deltentosteus quadrimaculatus, Engraulis encrasicholus, Notolepis rissoi, Mictophum punctatum, Benthosema glaciale, Dyastylis sp., Idunella picta, Trischizostoma nicaeense, Syndhelidium haplocheles, Oedicerosidae, Phrosina semilunata, Phtisica, Siriela sp., Euphausia sp., E. krohnii, ...
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