Have you ever seen such a colourful slug?? Meet the rainbow sea slug, an absolutely stunning species of nudibranch which has recently established itself here along the UK’s south western coast! . . . #wildlife #ukwildlife #uk #nature #marinelife #underwater #ukcoast #cornwall #cornwallcoast #nudibranch #slug #seaslug #rainbow #natgeoyourshots #bbcwildlifepotd #canonuk #falmouth @bbcearth @bbcspringwatch | Jacob Rheams Photography