Evolution of miniaturization and the phylogenetic position of Paedocypris, comprising the world's smallest vertebrate

Rüber, Lukas; Kottelat, Maurice; Tan, Heok Hui; Ng, Peter K. L.; Britz, Ralf

doi:10.1186/1471-2148-7-38

Cited by 147 publications

(318 citation statements)

References 26 publications

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“…The phylogenetic placement of Paedocypris in the family Cyprinidae has been subject to intense debate during the last years [e.g. 49,50,[62][63][64] and results highlighted that more molecular phylogenetic studies are needed to provide a robust phylogenetic framework to better understand Cyprinidae diversity.…”

Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

“…Boraras, Danio, Rasbora, Trigonostigma, Sundadanio). Their intra-relationships have also been largely explored recently [43,[62][63][64]. This subfamily harbors many miniature taxa including highly developmentally truncated ones [62], some of which have only been described very recently.…”

Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

“…Their intra-relationships have also been largely explored recently [43,[62][63][64]. This subfamily harbors many miniature taxa including highly developmentally truncated ones [62], some of which have only been described very recently. For example, the genus Paedocypris that includes the world's smallest fish species (Paedocypris progenetica), was only described in 2006 [42].…”

Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

“…The most spectacular and diverse of these radiations occurs in the ancient lakes of Central Sulawesi, namely the Malili Lakes system, and Lake Poso. Besides of lacustrine radiations of gastropods, crabs, shrimps, and other invertebrates, the ecosystems of these isolated, deep, and long-term stable freshwater lakes are [43,[56][57][58][59][60][61][62]. The Cyprinidae subfamily Danioninae, a large group composed predominantly of South and Southeast Asian minnows, is among the best known subfamily and harbors several genera that are very popular in the ornamental fish trade (e.g.…”

Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

“…The genus Fangfangia, also a peat swamp forest endemic, contains only one species (Fangfangia spinocleitralis) that is found in Central Kalimantan, Borneo [44]. Miniaturized taxa are often difficult to place phylogenetically -and Paedocypris is no exception -due to the frequently observed trend towards reduction and simplification of various structures and organs [62]. The phylogenetic placement of Paedocypris in the family Cyprinidae has been subject to intense debate during the last years [e.g.…”

Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

See 4 more Smart Citations

DNA Barcoding Indonesian freshwater fishes: challenges and prospects

Hubert¹,

Kadarusman²,

Wibowo³

et al. 2015

DNA Barcodes

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With 1172 native species, the Indonesian ichthyofauna is among the world’s most speciose. Despite that the inventory of the Indonesian ichthyofauna started during the eighteen century, the numerous species descriptions during the last decades highlight that the taxonomic knowledge is still fragmentary. Meanwhile, the fast increase of anthropogenic perturbations during the last decades is posing serious threats to Indonesian biodiversity. Indonesia, however, is one of the major sources of export for the international ornamental trade and home of several species of high value in aquaculture. The development of new tools for species identification is urgently needed to improve the sustainability of the exploitation of the Indonesian ichthyofauna. With the aim to build comprehensive DNA barcode libraries, the co-authors have started a collective effort to DNA barcode all Indonesian freshwater fishes. The aims of this review are: (1) to produce an overview of the ichthyological researches conducted so far in Indonesia, (2) to present an updated checklist of the freshwater fishes reported to date from Indonesia’s inland waters, (3) to highlight the challenges associated with its conservation and management, (4) to present the benefits of developing comprehensive DNA barcode reference libraries for the conservation of the Indonesian ichthyofauna.

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Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

Section: The Wallacea Ichthyofaunamentioning

confidence: 99%

See 3 more Smart Citations

DNA Barcoding Indonesian freshwater fishes: challenges and prospects

Hubert¹,

Kadarusman²,

Wibowo³

et al. 2015

DNA Barcodes

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Masters of miniaturization: Convergent evolution among interstitial eukaryotes

Rundell

Leander

2010

BioEssays

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Marine interstitial environments are teeming with an extraordinary diversity of coexisting microeukaryotic lineages collectively called "meiofauna." Interstitial habitats are broadly distributed across the planet, and the complex physical features of these environments have persisted, much like they exist today, throughout the history of eukaryotes, if not longer. Although our general understanding of the biological diversity in these environments is relatively poor, compelling examples of developmental heterochrony (e.g., pedomorphosis) and convergent evolution appear to be widespread among meiofauna. Therefore, an improved understanding of meiofaunal biodiversity is expected to provide some of the deepest insights into the following themes in evolutionary biology: (i) the origins of novel body plans, (ii) macroevolutionary patterns of miniaturization, and (iii) the intersection of evolution and community assembly - e.g., "community convergence" involving distantly related lineages that span the tree of eukaryotes.

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Label‐free, whole‐brain in vivo mapping in an adult vertebrate with third harmonic generation microscopy

Akbari,

Tatarsky,

Kolkman

et al. 2024

J of Comparative Neurology

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Comprehensive understanding of interconnected networks within the brain requires access to high resolution information within large field of views and over time. Currently, methods that enable mapping structural changes of the entire brain in vivo are extremely limited. Third harmonic generation (THG) can resolve myelinated structures, blood vessels, and cell bodies throughout the brain without the need for any exogenous labeling. Together with deep penetration of long wavelengths, this enables in vivo brain‐mapping of large fractions of the brain in small animals and over time. Here, we demonstrate that THG microscopy allows non‐invasive label‐free mapping of the entire brain of an adult vertebrate, Danionella dracula, which is a miniature species of cyprinid fish. We show this capability in multiple brain regions and in particular the identification of major commissural fiber bundles in the midbrain and the hindbrain. These features provide readily discernable landmarks for navigation and identification of regional‐specific neuronal groups and even single neurons during in vivo experiments. We further show how this label‐free technique can easily be coupled with fluorescence microscopy and used as a comparative tool for studies of other species with similar body features to Danionella, such as zebrafish (Danio rerio) and tetras (Trochilocharax ornatus). This new evidence, building on previous studies, demonstrates how small size and relative transparency, combined with the unique capabilities of THG microscopy, can enable label‐free access to the entire adult vertebrate brain.

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Evolution of miniaturization and the phylogenetic position of Paedocypris, comprising the world's smallest vertebrate

Cited by 147 publications

References 26 publications

DNA Barcoding Indonesian freshwater fishes: challenges and prospects

DNA Barcoding Indonesian freshwater fishes: challenges and prospects

Masters of miniaturization: Convergent evolution among interstitial eukaryotes

Label‐free, whole‐brain in vivo mapping in an adult vertebrate with third harmonic generation microscopy

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