Abstract

Abstract The diet of 72 longfinned eels, Anguilla dieffenbachii, from Lake Rotoiti, Nelson Lakes National Park, New Zealand, was numerically dominated by snails, especially Lymnaea. Larvae of the dragonfly, Procordulia grayi, were extensively eaten as they migrated towards the shore for emergence. By weight, the most important food was fish, with upland bullies, Gobiomorphus breviceps, most important for eels 700 mm.

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