{"refrec":{"BRefID":116888,"RR":"<b>Solmundsson, J.</b> (2007). Trophic ecology of Greenland halibut (<i>Reinhardtius hippoglossoides</i>) on the Icelandic continental shelf and slope. <i>Mar. Biol. Res. 3(4)</i>: 231-242. <a href=\"http://dx.doi.org/10.1080/17451000701477513\" target=\"_blank\">http://dx.doi.org/10.1080/17451000701477513</a>","BEntID":111203,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Mar. Biol. Res. 3(4)</i>: 231-242. <a href=\"https://dx.doi.org/10.1080/17451000701477513\" target=\"_blank\">https://dx.doi.org/10.1080/17451000701477513</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Solmundsson, J.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Solmundsson, J.","Englishabstract":"The feeding habits of Greenland halibut (<i>Reinhardtius hippoglossoides</i>) in Icelandic waters were investigated. In total, 1595 Greenland halibut were collected during the period from May 1991 to March 1992. The main prey species were capelin (<i>Mallotus villosus</i>), eelpouts (<i>Lycodes</i> spp.), northern ambereye (<i>Hymenodora glacialis</i>) and northern shrimp (<i>Pandalus borealis</i>), comprising two-thirds of the total stomach contents by weight. Small crustaceans, mainly euphausiids, were the main prey of the smallest (<20 cm) Greenland halibut, whereas capelin and shrimps dominated the diet of fish 20-59 cm in length. The largest individuals (>80 cm) mainly consumed eelpouts and other relatively large fish. This ontogenetic shift in diet was confirmed by multivariate canonical correspondence analysis (CCA), which explained 6% of the total variation in the diet composition. The CCA further revealed spatial and seasonal effects on the variation in diet. This study indicates that small and medium-sized Greenland halibut (<60 cm) off Iceland are mainly pelagic or semi-pelagic feeders, whereas the largest individuals (>80 cm) seem to feed mainly on or near the bottom. 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