Thecacera pacifica

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Species of gastropod

title: "Thecacera pacifica" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["polyceridae", "gastropods-described-in-1883"] description: "Species of gastropod" topic_path: "general/polyceridae" source: "https://en.wikipedia.org/wiki/Thecacera_pacifica" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary Species of gastropod ::

| image = Thecacera pacifica (Polyceridae Nudibranch).jpg | image_caption = A live individual of Thecacera pacifica in situ, head end towards the left | genus = Thecacera | species = pacifica | authority = Bergh, 1883 Thecacera pacifica is a species of sea slug, a nudibranch, a marine gastropod mollusk in the family Polyceridae. It is sometimes also nicknamed the Pikachu nudibranch due to its resemblance to the Pokémon character Pikachu.

Distribution

This species is known from the African coast of the Indian Ocean (Mozambique) to Indonesia and Vanuatu. It has also been reported from the Gulf of Mexico, Atlantic Ocean.

Description

This polycerid nudibranch is translucent orange in colour with black tips to the rhinophores and gills. The rhinophore sheaths are edged with black with a patch of blue at the widest part. This blue colour is also present at the tip of the tail and at the tip of the lateral papillae beside the gills, separated from the orange of the body by a black band. Some specimens have black linear marks on the body with blue centres.

References

References

  1. {{in lang. de [[Rudolph Bergh. Bergh R.]] (1883). "Beiträge zu einer Monographie der Polyceraden". ''Verhandlungen der Koniglich-kaiserlich Zoologische-botanischen Gesellschaft in Wein'' (Abhundlungen) '''33''': 135-180, plates 6-10.
  2. (26 October 2010). "New Week Nudibranch: Thecacera pacifica".
  3. [http://www.seaslugforum.net/find/thecpaci Rudman, W.B., 2002 (April 23) ''Thecacera pacifica'' Bergh, 1883. [In] Sea Slug Forum. Australian Museum, Sydney.]

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polyceridaegastropods-described-in-1883