Gastropod
Flat Top Shell
Steromphala umbilicalis
A squat, bluntly conical top shell, greenish with widely spaced reddish-purple bands. Flatter than the pointed top shells, with a tell-tale open 'navel' hole at the centre of the underside.
Usually seen at
0-21 m (median 6 m)
Size
Small (under 10 cm)
Habitat
Rocky crevice
Behaviour
On bottom
Where it's seen
Occurrence records around the UK & north-east Atlantic (OBIS). The ringed marker is the PEBL filming site.
Reference photos
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