Allocation of the diet of the Argentine Islands’ inshore ichthyofauna

Fish diets are important indicators of ecosystem change. This aspect the ichthyofauna coast Argentine Islands has been insufficiently studied in comparison with other regions. article presents results dietary and somatic parameters dominant species Notothenia coriiceps depending on point, depth season catch. The sample was collected between February 2006 2007. In year study, N. coriiceps, Trematomus bernacchii, Chaenocephalus aceratus (common species), Harpagifer antarcticus Pagothenia borchgrevinki (rare this region) were caught. average fish size region does not differ from places Southern Ocean. Cornice Channel Stella Creek, smaller than at points due to narrowness shallow these places. winter, large individuals apparently migrated coast. diet consisted mainly crustaceans seaweeds, a small number mollusks (especially limpets), which common. is relatively low for region. Access food same different depths lowest amount fall, highest spring summer. condition hepatosomatic index also did change point catch, but they high Perhaps energy value food, compensated by amount. It necessary conduct studies years clarify specificity phenological changes parameters. Similar needed if catches sufficient collect representative sample.