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The completed cross-stitch of all five nudibranch designs
Stitch yourself some fancy sea slugs.
To cross-stitch your nudibranch, you need to make a small cross of embroidery thread to match every coloured square on the pattern.
Nudibranchs are hermaphrodites, and so can mate with any other individual, a process which sometimes involves a dance-like courtship between the two slugs ©Elias Levy/Flickr CC BY 2.0
Nudibranchs are a diverse group of marine gastropods which shed their shells when they develop into adults. There are around 3,000 known species of nudibranchs, found from the Arctic to the Southern Ocean.