opalescent nudibranch

English

Noun

opalescent nudibranch (plural opalescent nudibranchs)

  1. A brightly-coloured nudibranch sea slug, Hermissenda crassicornis, with an orange stripe along its head area as well as white stripes on the cerata and those running down the mantle.
    Synonym: thick-horned nudibranch

References

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