Betta hendra - a new species of fighting fish (Teleostei: Osphronemidae) from Kalimantan Tengah (Borneo, Indonesia)

Schindler, Ingo; Linke, Horst

doi:10.3897/vz.63.e31411

Cited by 5 publications

(2 citation statements)

References 7 publications

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“…n. is a new species and not a hybrid is supported by the results from DNA barcoding using a mitochondrial gene (cytochrome c oxidase I or COI) and a the nuclear gene (internal transcribed spacer 1 or ferent from B. splendens. As an important step toward distinguishing the black imbellis fish from the others, our extensive survey covering all eastern provinces of Thailand (including those on the Thai border shared also noticed the distinct characters of this fish, including teeRaWat utapong (personal communication) who has remarked that the fish from Kabin Buri district (Prachin Buri province) could possibly be quite dif- addition to the bubble-nest builders above, the mouthbrooder in eastern Thailand, B. prima (KotteLat, 1994) and the southern brooder B. pallida (SchindLeR & Schmidt, 2004) in the southern peninsula also share similar characters. It is thus plausible that B. siamori entalis sp.…”

Section: Remarksmentioning

confidence: 81%

Betta siamorientalis, a new species of bubble-nest building fighting fish (Teleostei: Osphronemidae) from eastern Thailand

Kowasupat¹,

Panijpan²,

Ruenwongsa³

et al. 2012

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Betta siamorientalis sp. n., a new species of fighting fish belonging to the Betta splendens group, inhabiting four provinces in the eastern Thailand, is described. The combination of slender body shape with reddish vertical bars on the black opercle and an apparent black body distinguishes the new species from other congeners especially B. imbellis. The blacker appearance relative to B. imbellis is due to a higher proportion of black body area relative to that occupied by blue/green iridescence of the scales. Based on morphological similarity and fin colour pattern and vertical bar colour on the opercle, the new species appears to be more closely related to B. imbellis and B. splendens than other members of the B. splendens group.

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Section: Remarksmentioning

confidence: 81%

Betta siamorientalis, a new species of bubble-nest building fighting fish (Teleostei: Osphronemidae) from eastern Thailand

Kowasupat¹,

Panijpan²,

Ruenwongsa³

et al. 2012

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“…However, pre‐Pleistocene geological activities are more likely to have shaped the modern diversity of Betta than recent island vicariance (Sholihah, Delrieu‐Trottin, Sukmono, et al., 2021). This complicated geological history may explain why there is conspicuously higher diversity of Betta in areas of insular Sundaland that include Java, Borneo, and Sumatra than on mainland Sundaland or the Indo‐Burma region (Kowasupat et al., 2012; Schindler & Schmidt, 2009).…”

Section: Resultsmentioning

confidence: 99%

Dispersal sweepstakes: Biotic interchange propelled air‐breathing fishes across the globe

Harrington,

Kolmann,

Day

et al. 2023

Journal of Biogeography

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AimBiotic interchanges between Africa, India, and Eurasia are central to explaining the present‐day distribution and diversity of freshwater organisms across these landmasses. Synbranchiformes is a diverse and species‐rich clade of freshwater acanthomorph fishes found on all southern continents except Antarctica, and include eel‐ and perch‐like, air‐breathing and non‐air‐breathing fishes. Lacking a comprehensive and resolved phylogeny of the entire clade, contemporary interpretations of synbranchiform biogeography invoke scenarios as disparate as Gondwanan vicariance and pan‐global rafting to explain their modern‐day distribution. Here, we study their biogeographic history of continental dispersal events and test whether these are associated with increases in lineage diversification.LocationAsia, India, Africa freshwater habitats.TaxonSynbranchiformes (gouramis, snakeheads, swamp eels, and relatives).MethodsWe used nearly 1000 ultra‐conserved elements (UCEs) and Sanger‐sequenced genes to infer a phylogeny with representatives of all major synbranchiform lineages and nearly two‐thirds of its known species diversity. Incorporating fossil calibrations, we inferred a time‐calibrated phylogeny to which we apply Bayesian methods of ancestral area reconstruction and test for diversification rate shifts.ResultsAnalyses of UCE data provide a resolved phylogeny for major synbranchiform lineages. Divergence times support a most recent common ancestor of the entire clade approximately 79.2 million years ago. We infer significant increases in lineage diversification in both the spiny eels (Mastacembelidae) and the genus Betta (Osphronemidae).Main ConclusionsOur results reject the hypothesis of Gondwanan vicariance explaining synbranchiform biogeography. Instead, our analyses reconstruct a southeast Asian origin of the entire clade and independent dispersal events to other continents by snakeheads, anabantids, and spiny eels, with no signal of elevated lineage diversification occurring after these invasions. Higher lineage diversification rates in spiny eels pre‐date their arrival to Africa, while the high diversification rates observed in Betta were initiated prior to the flooding of insular Sundaland in southeast Asia.

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Biodiversity of the Betta smaragdina (Teleostei: Perciformes) in the northeast region of Thailand as determined by mitochondrial COI and nuclear ITS1 gene sequences

et al. 2014

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In Thailand, there are currently five recognized species members of the bubble-nesting Betta genus, namely Betta splendens, B. smaragdina, B. imbellis, B. mahachaiensis and B. siamorientalis. In 2010, we indicated the possibility, based on COI barcoding evidence, that there might be two additional species, albeit cryptic, related to the type-locality B. smaragdina in some provinces in the northeast of Thailand. In the present study, after a more extensive survey of the northeast, and phylogenetic analyses based on COI and ITS1 sequences, the B. smaragdina group may be composed of at least 3 cryptic species members. The phylogenetic positions of these B. smaragdina group members in the bubble-nesting bettas' tree together with those of their congeners have been consolidated by better DNA sequence quality and phylogenetic analyses. With a better supported tree, the species statuses of B. siamorientalis and the Cambodian B. smaragdina-like fish, B. stiktos, are also confirmed.

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Betta hendra - a new species of fighting fish (Teleostei: Osphronemidae) from Kalimantan Tengah (Borneo, Indonesia)

Cited by 5 publications

References 7 publications

Betta siamorientalis, a new species of bubble-nest building fighting fish (Teleostei: Osphronemidae) from eastern Thailand

Betta siamorientalis, a new species of bubble-nest building fighting fish (Teleostei: Osphronemidae) from eastern Thailand

Dispersal sweepstakes: Biotic interchange propelled air‐breathing fishes across the globe

Biodiversity of the Betta smaragdina (Teleostei: Perciformes) in the northeast region of Thailand as determined by mitochondrial COI and nuclear ITS1 gene sequences

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