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 football sea squirt Diazona violacea by Ron Crosby.

A colonial sea squirt, individual members of the colony are very similar to the lightbulb sea squirt, but they are joined at the base. Older colonies have a fat column attaching them to, but separating them from the substrate.

  Photo of a football sea squirt.

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