Diets and Stable Isotope Derived Food Web Structure of Fishes from the Inshore Gulf of Maine

Document Type

Article

Publication Date

2017

Publication Title

Estuaries and Coasts

Abstract

In the nearshore Gulf of Maine, a combination of factors (overfishing, ecosystem change, and ocean warming) is thought to govern groundfish recovery. We analyzed feeding habits of demersal predatory fish from Midcoast Maine (abundant river herring) and Passamaquoddy Bay (low river herring) in eastern Maine, using stomach content and stable isotope analyses, to determine the prevalence of river herring (alewife, Alosa pseudoharengus, and blueback herring, A. aestivalis) in nearshore (<4.5 km) groundfish diets.

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