The occurrence of Hydroides elegans in Dutch waters is observed for the first time. Differences with H. norvegica are discussed. Possible ways of introduction of H. elegans and Mercierella enigmatica are discussed.

Bulletin Zoologisch Museum

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Naturalis journals & series

ten Hove, H. (1974). Notes on Hydroides elegans (Haswell, 1883) and Mercierella enigmatica Fauvel, 1923, alien serpulid Polychaetes introduced into the Netherlands. Bulletin Zoologisch Museum, 4(6), 45–49.