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Issue: Vol. 4175 No. 1: 12 Oct. 2016
Type: Article
Published: 2016-10-12
DOI: 10.11646/zootaxa.4175.1.1
Page range: 1–9
Abstract views: 111
PDF downloaded: 5

The taxonomic status and sister group relationship of the cardinalfish species Jaydia striatodes (Percomorphaceae: Apogonidae)

Fisheries College, Ocean University of China, Qingdao 266003, China
Fisheries College, Ocean University of China, Qingdao 266003, China
Fisheries College, Zhejiang Ocean University, Zhoushan 316022, China
Fisheries College, Zhejiang Ocean University, Zhoushan 316022, China
Fisheries College, Zhejiang Ocean University, Zhoushan 316022, China
South African Institute for Aquatic Biodiversity, Private Bag 1015, Grahamstown 6140, South Africa
Pisces Beibu Gulf China Jaydia striata molecular genetics morphology taxonomy

Abstract

Two similar cardinalfish species, Jaydia striatodes and J. striata, were compared morphologically and genetically, using the fragment of cytochrome oxidase subunit I (COI) gene of the mitochondrial DNA. The results confirmed the validity of both species and their sister group relationship. The species formed well-supported monophyletic clades that were distinctly separate with mean sequence divergence of 12.2%. Jaydia striatodes is distinct in having 4–5 + 12–13 gill rakers; 3 + 11–12 developed gill rakers; 9 gill rakers on the first ceratobranchial; 3–9 weak serration at the angle of preopercular edge; and a usually blackish distal half of anal fin. Jaydia striatodes was recorded for the first time from Beibu Gulf, China, and from Vietnam.

 

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