Morphological and behavioral variation of Rasbora paviei (Cyprinidae, Cypriniformes) from lotic and limnic habitats (Central Vietnam)

Столбунов, И. А.; Thân, Nguyễn Thị; Павлов, Д. С.

doi:10.1134/s003294521102010x

Cited by 3 publications

(1 citation statement)

References 6 publications

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“…Body shape affects movement in stream fishes (Chuang et al 2006) and may be a useful tool for predicting habitat preferences (Stolbunov et al 2011). For O. krongnoensis, the slender, streamlined body with a large number of predorsal scales (15−17) and long caudal peduncle may provide greater swimming ability and allow it to inhabit rapid rivers and streams at high elevations such as those in the Ea Krong No drainage.…”

Section: Discussionmentioning

confidence: 99%

Two new species of shovel-jaw carp Onychostoma (Teleostei: Cyprinidae) from southern Vietnam

Hoàng

Phạm

Tran

2015

Zootaxa

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Two new species of large shovel-jaw carps in the genus Onychostoma are described from the upper Krong No and middle Dong Nai drainages of the Langbiang Plateau in southern Vietnam. These new species are known from streams in montane mixed pine and evergreen forests between 140 and 1112 m. Their populations are isolated in the headwaters of the upper Sre Pok River of the Mekong basin and in the middle of the Dong Nai basin. Both species are differentiated from their congeners by a combination of the following characters: transverse mouth opening width greater than head width, 14−17 predorsal scales, caudal-peduncle length 3.9−4.2 times in SL, no barbels in adults and juveniles, a strong serrated last simple ray of the dorsal fin, and small eye diameter (20.3−21.5% HL). Onychostoma krongnoensis sp. nov. is differentiated from Onychostoma dongnaiensis sp. nov. by body depth (4.0 vs. 3.2 times in SL), predorsal scale number (14−17 vs. 14−15), dorsal-fin length (4.5 vs. 4.2 times in SL), caudal-peduncle length (3.9 vs. 4.2 times in SL), colour in life (dark vs. bright), and by mitochondrial DNA (0.2% sequence divergence). Molecular evidence indicates that both species are members of Onychostoma and are distinct from all congeners sampled (uncorrected sequence divergences at the 16S rRNA gene of >2.0% for all Onychostoma for which homologous 16S rRNA sequences are available).

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Section: Discussionmentioning

confidence: 99%

Two new species of shovel-jaw carp Onychostoma (Teleostei: Cyprinidae) from southern Vietnam

Hoàng

Phạm

Tran

2015

Zootaxa

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Preliminary study: Species identification of Rasbora sumatrana through the cytochrome oxidase subunit I DNA barcoding marker

Norfatimah

Akram

Lyena

et al. 2021

IOP Conf. Ser.: Earth Environ. Sci.

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Rasbora sumatrana or locally known as “seluang” in Malaysia is a pelagic fish. Unlike its other congeneric species is not categorized as an ornamental fish. Samples of the presumed R. sumatrana was obtained from an abandoned swamp in Hulu Langat, Selangor. Initial identification of the samples was conducted based on meristic and morphometric analyses, which showed congruence with R. sumatrana when referenced to FishBase. To complement the analysis, a molecular study was conducted based on the cytochrome oxidase subunit I (COI) DNA barcoding marker. Confirmation of the species identity was done by BLAST results with six voucher sequences of R. sumatrana and other Rasbora species from GenBank. The relationship of Rasbora spp. was analysed by phylogenetic and Automatic Barcode Gap Discovery (ABGD) analysis. Contradicting with morphological and meristic data analysis, both Maximum-Likelihood and Maximum Parsimony phylogenetic tree showed that the currently studied samples did not cluster with R. sumatrana. We believe that they may represent cryptic diversity and are tentatively classified as Rasbora spp.

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Taxonomic revision of the Southeast Asian brook barb genus Poropuntius Smith, 1931 (Teleostei, Cyprinidae) with description of a new species from Vietnam

Hoang,

Pham,

Tran

et al. 2024

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Molecular data from samples encompassing 22 nominal species of Poropuntius indicate that the species-level diversity in the genus has been vastly overestimated, likely due to inadequate taxon and geographic sampling and reliance on morphological characters that vary intra-specifically. The latter includes discrete mouth morphologies related to alternate feeding strategies (ecomorphs) within populations. One new species is described, Poropuntius anlaoensis Hoàng, Phạm & Trần, sp. nov., and 17 synonyms of six valid species names of Poropuntius, P. krempfi, P. alloiopleurus, P. huangchuchieni, P. laoensis, P. kontumensis, and P. deauratus, are recognised. Additional taxonomic changes in this widespread and generally poorly known genus are likely as more molecular and morphological data become available.

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Morphological and behavioral variation of Rasbora paviei (Cyprinidae, Cypriniformes) from lotic and limnic habitats (Central Vietnam)

Cited by 3 publications

References 6 publications

Two new species of shovel-jaw carp Onychostoma (Teleostei: Cyprinidae) from southern Vietnam

Two new species of shovel-jaw carp Onychostoma (Teleostei: Cyprinidae) from southern Vietnam

Preliminary study: Species identification of Rasbora sumatrana through the cytochrome oxidase subunit I DNA barcoding marker

Taxonomic revision of the Southeast Asian brook barb genus Poropuntius Smith, 1931 (Teleostei, Cyprinidae) with description of a new species from Vietnam

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