Moss Bladder Snail
Aplexa hypnorum
This record describes Aplexa hypnorum (species). Recorded family: Physidae.
Identification and Appearance

The moss bladder snail shell may vary from pale yellow-brown to a darker red-brown, and is a highly polished shell with aperture on the left side (sinistral) and a tall, sharp spire with nearly flat sutures. The shell may be from 4 to 12 mm in height. The animal is dark grey to almost black. Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed. Found in and around temporary water bodies, ponds and ditches. Adults may be present at all times of year but less frequent in dry summers when habitat water levels are at their lowest or absent. May breed at any time of year when conditions are favourable. Widespread and fairly frequent in Britain. No additional images available for this species.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Family
- Physidae
- Genus
- Aplexa
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
Found in and around temporary water bodies, ponds and ditches.
Seasonal Activity
Adults may be present at all times of year but less frequent in dry summers when habitat water levels are at their lowest or absent.
Diet and Behavior
Life History
May breed at any time of year when conditions are favourable.
Additional species information
Recorded status
Widespread and fairly frequent in Britain.
Photos of Moss Bladder Snail (3)
Frequently Asked Questions About Moss Bladder Snail
What is Moss Bladder Snail?
Moss Bladder Snail (Aplexa hypnorum) is a species in the family Physidae.
Where is Moss Bladder Snail found?
Habitat: Found in and around temporary water bodies, ponds and ditches.
When is Moss Bladder Snail active?
Moss Bladder Snail: seasonal activity - Adults may be present at all times of year but less frequent in dry summers when habitat water levels are at their lowest or absent..
What is the life cycle of a Moss Bladder Snail?
May breed at any time of year when conditions are favourable.
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