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: Photographs of a violet sea squirt, Botryllus sp. by Gordon Fletcher.

A compound seasquirt in which individual animals share a common exhalent siphon, which is to the centre of each group. The inhalent siphons are marked with yellow dots

  Photo of the top of a sea mouse.

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