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Fransen, C.H.J.M.; Holthuis, L..B.. |
The freshwater crayfish Austropotamobius torrentium collected in the Netherlands in 1956 (Crustacea: Decapoda: Astacidae) On 10 November 1956 a freshwater crayfish was collected in a fish trap in the canal that surrounds the polder Haarlemmermeer between Haarlem and Amsterdam about 2 to 3 km from the village Halfweg. The specimen is a fully grown male of 106 mm in total length; the left first cheliped is missing and the right first cheliped evidently has been lost previously, as a small regenerated cheliped (total length of cheliped 40 mm, length of chela 16 mm) is present. At that time Astacus astacus was the only freshwater crayfish in the Netherlands and the specimen was (incorrectly) identified as that species. As such it was also reported in... |
Tipo: Article / Letter to the editor |
Palavras-chave: Rivierkreeften; Astacidae; Nederland; Verspreiding; 42.75. |
Ano: 2006 |
URL: http://www.repository.naturalis.nl/record/327180 |