Abstract

This short note reports on the first European records of Sinelobus stanfordi (Crustacea: Tanaidacea: Tanaidae). The species ha s been recorded from five different water bodies in the Dutch coastal area and in the docks of the Belgian harbour of Antwerp. S. stanfordi was until now not known to inhabit (North-) European coasts and estuaries. It is thus very likely that its origin is non-indigenous.

Highlights

  • From the Dutch and Belgian North Sea coast only a few species of Tanaidacea have been recorded

  • This short note reports on the first European records of Sinelobus stanfordi (Crustacea: Tanaidacea: Tanaidae)

  • A few days later, the species was discovered in two other rivers in the Rhine Delta (Nieuwe Waterweg and Hollandse IJssel) and the Noordzeekanaal

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Summary

Salinity PSU average

The co-occurrence with corophiid species is known from the Fraser river estuary, British Colombia (M. insidiosum and Corophium salmonis Stimpson, 1857) (Levings and Rafi 1978) and Gamo lagoon, Japan (C. uenoi Stephenson, 1932) (Matsumasa and Kurihara 1988). In the latter case the tubes of C. uenoi were build on a different substrate (filamentous algae) than the tubes of S. stanfordi (concrete embankment). Like many other exotic species, S. stanfordi is taking ‘advantage of the human introduction of hard substrates in estuaries where soft sediments naturally prevail’ (Soors et al in press). The authors like to encourage the efforts undertaken by water board authorities to continue the monitoring of these non-native macro-invertebrates

Lower Columbia River Aquatic Nonindigenous Species
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