Systematic Parasitology

, Volume 70, Issue 1, pp 35–40 | Cite as

A new species of Anuretes Heller, 1865 (Copepoda: Caligidae) from the yellowbanded sweetlips Plectorhinchus lineatus (Haemulidae) off New Caledonia

  • B. A. Venmathi Maran
  • Susumu Ohtsuka
  • Geoffrey A. Boxshall
Article

Abstract

A new species of caligid copepod, Anuretes justinei n. sp., is described from off New Caledonia. It is parasitic on the gill filaments of a haemulid fish, the yellowbanded sweetlips Plectorhinchus lineatus (Linnaeus). The new species is distinguished from its congeners by the combination of the following character states: (1) the fourth pedigerous somite is covered dorsally by the expanded free posterior margin of the cephalothorax; (2) a maxillary whip is present; (3) the relatively small genital complex is less than half the length of the cephalothorax; (4) leg 3 is armed with nine setae on the terminal exopodal segment and six setae on the terminal endopodal segment; and (5) leg 4 is long and slender with a setal armature of I, III twisted spines. The new species is an addition to the possibly monophyletic group of seven species that is characterised by the possession of a maxillary whip, all of which are found on haemulid hosts. The host-specificity of Anuretes is relatively high, its species being largely parasitic on reef-associated fishes, such as the families Haemulidae (eight species), Ephippidae (four species), Acanthuridae (four species) and Pomacanthidae (one species).

Notes

Acknowledgements

The first author is grateful to the Ministry of Education, Culture, Sports, Science and Technology (MEXT) for providing the scholarship supporting this study. This study was partly supported by a grant-in-aid from the Japanese Society for the Promotion of Sciences awarded to SO (No.14560151).

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Copyright information

© Springer Science+Business Media B.V. 2007

Authors and Affiliations

  • B. A. Venmathi Maran
    • 1
  • Susumu Ohtsuka
    • 1
  • Geoffrey A. Boxshall
    • 2
  1. 1.Takehara Marine Science Station, Setouchi Field Science Center, Graduate School of Biosphere ScienceHiroshima UniversityTakeharaJapan
  2. 2.Department of ZoologyNatural History MuseumLondonUK

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