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EFC Centre at Wat Tyler Country ParkOur centre is available for visits on a pre-booked basis on Wednesdays between 10am - 4pm. The Club’s activities and displays are also usually open to the public on the first Saturday of the month 11am - 4pm.

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Species Account for Unio tumidus

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Unio tumidus  Retzius, 1788
Swollen River Mussel
Mollusca: Unionidae

 
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Taxonomic group: molluscs (Mollusca) - County data

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Essex RDB: Listed

Records: 2
First Record: 2004
Latest Record: 2018

1992-on hectads: 2
Pre-1992 hectads: 0
Total hectads: 2

Additional Phenology Data

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Taxon ID suspect
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Essex Red Data List comment
Declined in Essex, and in some areas nationally


Habitats

no broad habitat data available

no subhabitat data available

no structural habitat data available

Habitat Detail and Method (based on 2 records with habitat detail and method information)

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Interpretation of distribution maps