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New species of fish parasite named after Xena, the warrior princess

Date:
May 7, 2019
Source:
Pensoft Publishers
Summary:
A study of crustacean parasites attaching themselves inside the branchial cavities (the gills) of their fish hosts was conducted in order to reveal potentially unrecognized diversity of the genus Elthusa in South Africa. While there had only been one known species from South Africa, a new article adds another three to the list, including one named after fictional character Xena because of the strong appearance of the females.
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A study of parasitic crustaceans attaching themselves inside the branchial cavities (the gills) of their fish hosts was recently conducted in order to reveal potentially unrecognised diversity of the genus Elthusa in South Africa.

While there had only been one species known from the country, a new article published in the open-access journal ZooKeys adds another three to the list.

For one of them, the research team from North-West University (South Africa): Serita van der Wal, Prof Nico Smit and Dr Kerry Hadfield, chose the name of the fictional character Xena, the warrior princess. The reason was that the females appeared particularly tough with their characteristic elongated and ovoid bodies. Additionally, the holotype (the first specimen used for the identification and description of the previously unknown species) is an egg-carrying female.

Formally recognised as Elthusa xena, this new to science species is so far only known from the mouth of the Orange River, Alexander Bay, South Africa (Atlantic Ocean). It is also the only Elthusa species known to parasitise the intertidal Super klipfish (Clinus supercilious). In fact, this is the first time an Elthusa species has been recorded from any klipfish (genus Clinus).

To describe the new species, the scientists loaned all South African specimens identified as, or appearing to belong to the genus Elthusa from both the French National Museum of Natural History (Paris) and the Iziko South African Museum (Cape Town).


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Journal Reference:

  1. Serita van der Wal, Nico J. Smit, Kerry A. Hadfield. Review of the fish parasitic genus Elthusa Schioedte & Meinert, 1884 (Crustacea, Isopoda, Cymothoidae) from South Africa, including the description of three new species. ZooKeys, 2019; 841: 1 DOI: 10.3897/zookeys.841.32364

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Pensoft Publishers. "New species of fish parasite named after Xena, the warrior princess." ScienceDaily. ScienceDaily, 7 May 2019. <www.sciencedaily.com/releases/2019/05/190507110436.htm>.
Pensoft Publishers. (2019, May 7). New species of fish parasite named after Xena, the warrior princess. ScienceDaily. Retrieved March 28, 2024 from www.sciencedaily.com/releases/2019/05/190507110436.htm
Pensoft Publishers. "New species of fish parasite named after Xena, the warrior princess." ScienceDaily. www.sciencedaily.com/releases/2019/05/190507110436.htm (accessed March 28, 2024).

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