Taiwanese records of oblong large-eye seabream Gymnocranius oblongus (Teleostei: Lethrinidae) and other rare or undetermined large-eye seabreams

Abstract : The oblong large-eye seabream Gymnocranius oblongus Borsa, Béarez and Chen, 2010, has been described based on specimens from New Caledonia, the only locality where this species has been recorded up to now. Here, new records are reported from Taiwan, which is located over 7,000 km from the previously known site of occurrence. Nucleotide sequences at the cytochrome b locus of the Taiwanese samples of G. oblongus were provided and compared to those of the conspecific New Caledonian samples. The results showed little intraspecific DNA variation among the sequences (only three segregating sites along the 1140 bp long aligned sequences). Further population genetic analysis revealed a relatively high level of genetic differentiation (ΦST = 0.286) indicating limited gene flow between the two populations. The records thus available suggest a wide and antitropical distribution for this relatively rare and poorly known species. In addition to this finding, we report the first Taiwanese records of Gymnocranius satoi Borsa, Béarez, Paijo and Chen 2013, and of two undetermined Gymnocranius specimens that potentially represent two new species.
Type de document :
Article dans une revue
Frontiers in Marine Science, Frontiers Media, 2016, 3, pp.107. 〈10.3389/fmars.2016.00107〉
Liste complète des métadonnées

Littérature citée [30 références]  Voir  Masquer  Télécharger

http://hal.ird.fr/ird-01331954
Contributeur : Philippe Borsa <>
Soumis le : mercredi 15 juin 2016 - 06:04:23
Dernière modification le : jeudi 16 juin 2016 - 01:06:01
Document(s) archivé(s) le : vendredi 16 septembre 2016 - 10:19:09

Fichier

Gymnocranius oblongus Taiwan_M...
Fichiers produits par l'(les) auteur(s)

Identifiants

Collections

IRD

Citation

Wei-Jen Chen, Hsuan-Ching Ho, Philippe Borsa. Taiwanese records of oblong large-eye seabream Gymnocranius oblongus (Teleostei: Lethrinidae) and other rare or undetermined large-eye seabreams . Frontiers in Marine Science, Frontiers Media, 2016, 3, pp.107. 〈10.3389/fmars.2016.00107〉. 〈ird-01331954〉

Partager

Métriques

Consultations de la notice

99

Téléchargements de fichiers

169