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Fiona pinnata (Eschscholtz, 1831)
Fiona pinnata is a small pelagic nudibranch in the superfamily Fionoidea. This species lives worldwide on floating objects on seas, and feeds mainly on barnacles, specifically goose barnacles in the genus Lepas.
It can also eat cnidarians Velella velella and Porpita porpita. The colour of the digestive gland in the cerata changes to bright blue when the animal feeds on Velella.
It is currently the only named member of the genus Fiona.
Synonymised names
Aeolis plicata F. W. Hutton, 1882 · unaccepted
Cavolina natans (A. d'Orbigny, 1836) · unaccepted > junior subjective synonym
Dolicheolis longicauda (Quoy & Gaimard, 1832) · unaccepted
Doris fasciculata Gmelin, 1791 · unaccepted (ICZN opinion 773: placed on the...)
Eolidia longicauda Quoy & Gaimard, 1832 · unaccepted (synonym)
Eolidia natans A. d'Orbigny, 1836 · unaccepted > junior subjective synonym
Eolidia pinnata Eschscholtz, 1831 · unaccepted (original combination)
Fiona atlantica Bergh, 1857 · unaccepted (synonym)
Fiona marina Eliot, 1910 · unaccepted (synonym)
Hymenaeolis elegantissima A. Costa, 1867 · unaccepted (synonym)
Limax marinus Forsskål, 1775 · unaccepted (dubious synonym)
Oithona nobilis Alder & Hancock, 1851 · unaccepted
Fiona pinnata is a small pelagic nudibranch in the superfamily Fionoidea. This species lives worldwide on floating objects on seas, and feeds mainly on barnacles, specifically goose barnacles in the genus Lepas.
It can also eat cnidarians Velella velella and Porpita porpita. The colour of the digestive gland in the cerata changes to bright blue when the animal feeds on Velella.
It is currently the only named member of the genus Fiona.
Synonymised names
Aeolis plicata F. W. Hutton, 1882 · unaccepted
Cavolina natans (A. d'Orbigny, 1836) · unaccepted > junior subjective synonym
Dolicheolis longicauda (Quoy & Gaimard, 1832) · unaccepted
Doris fasciculata Gmelin, 1791 · unaccepted (ICZN opinion 773: placed on the...)
Eolidia longicauda Quoy & Gaimard, 1832 · unaccepted (synonym)
Eolidia natans A. d'Orbigny, 1836 · unaccepted > junior subjective synonym
Eolidia pinnata Eschscholtz, 1831 · unaccepted (original combination)
Fiona atlantica Bergh, 1857 · unaccepted (synonym)
Fiona marina Eliot, 1910 · unaccepted (synonym)
Hymenaeolis elegantissima A. Costa, 1867 · unaccepted (synonym)
Limax marinus Forsskål, 1775 · unaccepted (dubious synonym)
Oithona nobilis Alder & Hancock, 1851 · unaccepted






Robin Gwen Agarwal, USA