Results 1 to 10 of about 18,024 (300)

First determination and analysis of the complete mitochondrial genome of X-ray tetra Pristella maxillaris (Ulrey, 1894) (Actinopteri, Characidae) [PDF]

open access: yesMitochondrial DNA. Part B. Resources, 2022
The complete mitochondrial genome of the X-ray tetra (Pristella maxillaris, Ulrey, 1894) was determined by using next-generation sequencing technology, and its mitochondrial genome characteristics were analyzed.
Chuangbin Tang   +4 more
doaj   +3 more sources

Mitochondrial Genome Structures and Phylogenetic Analyses of Two Tropical Characidae Fishes [PDF]

open access: yesFrontiers in Genetics, 2021
The Characidae family contains the largest number of tropical fish species. Morphological similarities make species identification difficult within this family.
Cheng-He Sun   +6 more
doaj   +3 more sources

Complete mitogenome of Gymnocorymbus ternetzi (Characiformes: Characidae: Gymnocorymbus) and phylogenetic implications [PDF]

open access: yesMitochondrial DNA. Part B. Resources, 2022
Gymnocorymbus ternetzi belongs to the genus Gymnocorymbus in the family Characidae, and is mainly distributed in southern Brazil. Herein, we report the complete mitogenome of G. ternetzi using Illumina sequencing data.
Qunyin Zhu   +5 more
doaj   +3 more sources

On a remarkable sexual dimorphic trait in the Characiformes related to the olfactory organ and description of a new miniature species of Tyttobrycon Géry (Characiformes: Characidae)

open access: yesPLoS ONE, 2019
Among the order Characiformes, secondary sexual dimorphism is commonly associated to the occurrence of bony hooks on fins, shape and length of the dorsal and anal fins, and sexual dichromatism.
Abrahão, Vp
exaly   +3 more sources

Phylogenomics of trans-Andean tetras of the genus Hyphessobrycon Durbin 1908 (Stethaprioninae: Characidae) and colonization patterns of Middle America. [PDF]

open access: yesPLoS One, 2023
Hyphessobrycon is one of the most species rich and widely distributed genera in the family Characidae, with more than 160 species ranging from Veracruz, Mexico to Mar Chiquita Lagoon in Buenos Aires, Argentina.
Elías DJ   +5 more
europepmc   +2 more sources

Morphological study of the digestive tract of the cardinal tetra, Paracheirodon axelrodi (Characiformes: Characidae) [PDF]

open access: yesNeotropical Ichthyology, 2023
The cardinal tetra Paracheirodon axelrodi is a species of the family Characidae of great interest as an ornamental fish. Many aspects of the biology of this species are still unknown.
Laura Rincón   +4 more
doaj   +2 more sources

Mitochondrial genomes of five Hyphessobrycon tetras and their phylogenetic implications [PDF]

open access: yesEcology and Evolution, 2021
To date, the taxonomic status and phylogenetic affinities within Hyphessobrycon, even among other genera in Characidae, remain unclear. Here, we determined five new mitochondrial genomes (mitogenomes) of Hyphessobrycon species (H. elachys, H. flammeus, H.
Wei Xu, Shupeng Lin, Hongyi Liu
doaj   +2 more sources

Hyphessobrycon ocasoensis sp. n. (Teleostei, Characidae) una nueva especie para el Alto Cauca, Colombia [PDF]

open access: yesAnimal Biodiversity and Conservation, 2008
Hyphessobrycon ocasoensis n. sp. (Teleostei, Characidae) a new species from the Alto Cauca, Colombia Hyphessobrycon ocasoensis n. sp. (Characiformes, Characidae) from heterorhabdus group (Gery, 1977) is described from the upper Cauca River in Colombia.
García-Alzate, C. A.   +1 more
doaj   +2 more sources

Ultrastructure of the fertilized egg envelopes in Hemigrammus erythrozonus, Characidae, Teleostei. [PDF]

open access: yesAppl Microsc, 2019
We examined the morphology and ultrastructures of fertilized egg envelopes of glowlight tetra (Hemigrammus erythrozonus) belong to Characidae using light and electron microscopes.The fertilized eggs were spherical, transparent, demersal, adhesive, and ...
Chang BS, Choi EK, Kim HW, Kim DH.
europepmc   +2 more sources

Three new species of Hyphessobrycon (Characiformes: Characidae) from the upper rio Araguaia basin in Brazil [PDF]

open access: goldNeotropical Ichthyology, 2003
Three new species of Hyphessobrycon (Characiformes: Characidae) are described from the upper rio Araguaia basin. Hyphessobrycon langeanii n. sp. is distinguished from all congeners by the presence of a well-defined, round humeral spot, a reticulate color
Flávio C. T. Lima, Cristiano R. Moreira
doaj   +2 more sources

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