Species Account for Unio tumidus
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Unio tumidus Retzius, 1788
Swollen River Mussel
Mollusca: Unionidae
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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
Images
sorry, no pictures available for this species yet - if you have an image please upload itTaxonomic group: molluscs (Mollusca) - County data
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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