The dominant prey items in brackish water were amphipodes (Gammarus sp) and arctic char juveniles (Salveninus alpinus) In the sea, greater food diversity was recorded in the flounder diet including bivalves (Bivalvia), amphipods (Gammarus sp.), sand worms (Arenicola marina), greaterer sandeels (Hyperoplus lanceloatus) and unidentifed fish.
marflær (Gammarus spp) voru ríkjandi í fæðu flundru í ísöltu vatni, einnig bar nokkuð á silungaseiðum og fiskleifum. Fæðuval flundru í sjó var fjölbreyttara, helstu fæðugerðir voru skeldýr (Bivalvia), marflær, sandmaðkur (Arencolamarina), trönusíli (Hyperoplus lanceolatus) og fiskleifar.