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Zookeys. 2019 Dec 2;893:69-89. doi: 10.3897/zookeys.893.38369. eCollection 2019.

A new species in the genus Acartia Dana, 1846 (Crustacea, Copepoda, Calanoida, Acartiidae) from the South Pacific coastal waters of Nadi Bay, Fiji.

Author information

1
Biodiversity Institute, Marine Act Co., Seoul 04790, Korea Biodiversity Institute Seoul South Korea.
2
Department of Environmental Oceanography, Chonnam University, Yeosu 59616, Korea Chonnam University Yeosu South Korea.
3
Department of Life Science, Hanyang University, Seoul 04763, Korea Hanyang University Seoul South Korea.

Abstract

A new species in the genus Acartia, Acartia nadiensis sp. nov., is described from Fijian coastal waters. This species belongs to the subgenus Odontacartia based on the following morphological features: presence of a rostral filaments, a pointed process on the last prosomite, a serrated terminal spine on female P5, and the absence of a protrusion on the basis of the male right P5. This new species can be differentiated from its congeners by the combination of the absence of a spine on the first segment of the antennules, the short outer seta of female P5, and a medial spine on the exp-2 of the left male P5. Phylogenetic analyses using mitochondrial COI partial sequences show that the new species is distinct from its congeners.

KEYWORDS:

Odontacartia ; South Pacific; mtCOI; planktonic copepod; taxonomy

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