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Nudibranch - Phyllidia ocellata - On the rocks

Phyllidia ocellata is a medium to large dorid nudibranch with an elongate-oval shape. The most typical presentation of Phyllidia ocellata is that of a golden yellow background with large roundish black ocelli, each surrounded with a ring of white. Small to quite large, yellow or white hard tubercles are present irregularly over the dorsum and may or may not appear within those ocelli. There are many variations on this basic theme. The black spots may be incomplete or coalesce appearing to meander across the dorsum. Sometimes the black might cover almost the whole of the dorsum apart from the mantle border with the usual white ocelli being absent whilst at other times the majority of the dorsum may be white with or without black ocelli. An extreme form has also been recorded where the whole animal, including pustules, is completely golden yellow.  Maximum size 7 cm.

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Nudibranch - Phyllidia ocellata - On the rocks

by Dieter

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Uploaded on February 10, 2023

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