MCS logo, two figures in silhouette - a dolphin jumping, superimposed by a diving human, with the slogan 'Seas fit for life'.

MCS: Lancashire area group

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Right: Photograph of a starfish Astropecten irregularis (Pennant) by Ron Crosby.

Astropecten irregularis has stiff arms with characteristic bony 'teeth' along their edges. Like most of the starfish, it feeds on molluscs.

  Photo of Astropecten irregularis.

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