Results 11 to 20 of about 2,973 (156)

Benchmarking the Taxonomic Resolution of Fish eDNA Metabarcodes Against COI Barcodes. [PDF]

open access: yesMol Ecol Resour
ABSTRACT Even though environmental DNA metabarcoding is revolutionizing biomonitoring, many critical steps remain unstandardized, leading to arbitrary choices, particularly regarding the selection of metabarcode, clustering method and similarity threshold, among others.
Ruiz E, Lamy T, Mouillot D, Durand JD.
europepmc   +2 more sources

The simple morphology of the sunfish heart. [PDF]

open access: yesJ Anat
Jensen and Lauridsen describe the least curved vertebrate heart to date in seven specimens of Ocean sunfish. By comparison to multiple vertebrates, it is concluded that the highly unusual heart is a recent evolution that relates in part to the extraordinary shape of the body.
Jensen B, Lauridsen H.
europepmc   +2 more sources

First record of Torquigener flavimaculosus (Actinopterygii: Tetraodontiformes: Tetraodontidae) from Réunion island [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2021
The first record of the yellow-spotted puffer, Torquigener flavimaculosus Hardy et Randall, 1983, on Reunion Island is confirmed by numerous video observations and by the capture of a specimen.
Jean Gadenne   +5 more
doaj   +3 more sources

Anatomical characterization of the digestive system of the pufferfish (Chilomycterus spinosus spinosus)

open access: yesActa Scientiarum: Biological Sciences, 2019
Descriptive studies of the fish digestive system are fundamental because they provide information on the biology of the species. Thus, the objective of this study was to morphologically describe the digestive system of the pufferfish, Chilomycterus ...
Thiago Scremin Boscolo Pereira   +3 more
doaj   +1 more source

Supernumerary chromosomes in the pufferfish Sphoeroides spengleri: first occurrence in marine Teleostean Tetraodontiformes fish

open access: yesGenetics and Molecular Biology, 2008
Cytogenetic analyses carried out in eight specimens of Sphoeroides spengleri revealed the presence of 2n = 46 chromosomes (20 M/SM and 26 ST/A). Besides the standard karyotypical set, the presence of B microchromosomes was observed in two individuals ...
Anderson Luis Alves   +3 more
doaj   +1 more source

Occurrence and distribution of tetraodontiform fishes of the Andaman and Nicobar Islands, India [PDF]

open access: yesCheck List, 2018
Some fish groups are common on coral reefs, but we still lack fundamental information about how fish assemblages vary across seascapes. The order Tetraodontiformes, which includes pufferfish, triggerfish, shingles, porcupinefish,&nbsp ...
Vardhan Patankar   +4 more
doaj   +3 more sources

Tetraodontiform fishes of Colombia

open access: yesBiota Colombiana, 2006
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Arturo Acero P., Andrea Polanco F.
doaj   +1 more source

Illustrated list of additions to the ichthyofauna of the Caura River, Venezuela [PDF]

open access: yesCheck List, 2012
Twenty nine species have been added to the annotated checklists of the ichthyofauna of the Caura River Basin, Guiana Shield, Venezuela. Of these, 18 were found in two floodplain lagoons in the lower Caura, corresponding to the orders Characiformes ...
Nirson González   +3 more
doaj   +3 more sources

Investigations into the perplexing interrelationship of the Genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae) [PDF]

open access: yes, 2008
The phylogenetic relationships within the genus Takifugu Abe, 1949 (Tetraodontiformes, Tetraodontidae) remain unresolved. Because of the use of Takifugu as model organisms, the resolution of these relationships is crucial for the interpretation of ...
He ShunPing   +2 more
core   +1 more source

Complete mitochondrial genome and the phylogenetic position of the thornback cowfish (Lactoria fornasini)

open access: yesMitochondrial DNA. Part B. Resources, 2019
The complete mitochondrial genome of the box-like thornback cowfish (Lactoria fornasini) was first determined in this study. It was a circular molecule of ∼1.6 kb, including 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA genes, and an AT-
Yue Yu   +5 more
doaj   +1 more source

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