1. Cerastoderma edule. Shell length 23mm. Exhalent (upper) and inhalent (lower) siphons. Camera-style eyes with single lens and retina on sensory tentacles detect moving shadows of predators. Mouth of Dee Estuary, Cheshire. October 2011.
  2. Cerastoderma edule. Shell length 23mm. Exhalent (upper) and inhalent (lower) siphons. Camera-style eyes with single lens and retina on sensory tentacles detect moving shadows of predators. Mouth of Dee Estuary, Cheshire. October 2011.

Cerastoderma edule. Shell length 23mm. Exhalent (upper) and inhalent (lower) siphons. Camera-style eyes with single lens and retina on sensory tentacles detect moving shadows of predators. Mouth of Dee Estuary, Cheshire. October 2011.

Submitted by Ian Smith on
Species
Cerastoderma edule
Photographer / copyright holder
I.F. Smith
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