The Shining Ram's-horn (Segmentina nitida)
Key Details
| Taxonomic Groups: | Invertebrate > mollusc > Mollusc (non-marine) |
| Red List Status: | Least Concern (Not Relevant) [LC(nr)] |
| D5 Status: | Included in the baseline Red List Index for England (Wilkins, Wilson & Brown, 2022) |
| Section 41 Status: | (not listed) |
| Taxa Included Synonym: | (none) |
| UKSI Recommended Name: | Segmentina nitida |
| UKSI Recommended Authority: | (O. F. Müller, 1774) |
| UKSI Recommended Qualifier: | (none specified) |
| Red List Citation: | Seddon et al., 2014 |
| Notes on taxonomy/listing: | (none) |
Criteria
| Question 1: | Does species need conservation or recovery in England? |
| Response: | No |
| Justification: | A species restricted to England in GB. Aside from an isolated (and possibly introduced) population on the Somerset Levels, the species is stable and seemingly doing well in several extensive lowland grazing marsh complexes on (1) Pevensey Levels, (2) Lewes Brooks, (3) East Kent Marshes, (4) Norfolk Broads. |
| Question 2: | Does recovery/ conservation depend on species-specific actions? |
| Response: | No |
| Justification: | The species is stable in several large areas (see response to Q1). |
| Question 3: | At a landscape scale, would the species benefit from untargeted habitat management to increase habitat mosaics, structural diversity, or particular successional stages? |
| Response: | Yes |
| Justification: | The management of traditional grazing marsh ditch systems where the species is currently present is essential in maintaining populations within current range. |
Species Assessment
Not relevant as no Key Actions defined.
Key Actions
No Key Actions Defined
Acknowledgment:
Data used on this website are adapted from Threatened species recovery actions 2025 baseline (JP065): Technical report and spreadsheet user guide (Natural England, 2025). Available here.