Results 131 to 140 of about 319 (166)
Ultramicroscopic organization of the exterior olfactory organ in <i>Anguilla vulgaris</i> in relation to its spawning migration. [PDF]
Open Vet JAl-Zahaby SA, Hassan SS, Elsheikh EH.
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Multi-locus fossil-calibrated phylogeny of Atheriniformes (Teleostei, Ovalentaria)
Molecular Phylogenetics and Evolution, 2015Phylogenetic relationships among families within the order Atheriniformes have been difficult to resolve on the basis of morphological evidence. Molecular studies so far have been fragmentary and based on a small number taxa and loci. In this study, we provide a new phylogenetic hypothesis based on sequence data collected for eight molecular markers ...
Lily C Hughes +2 more
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Comptes Rendus - Biologies, 2011 This contribution provides an insight into Atheriniformes systematics based on four mitochondrial regions: 12S rRNA, cytb, COI and control region (2794 bp in total). In the Atherinopsoidei (New World silversides), comparisons among five species of Odontesthes , O ...
Sandra Heras, Maria Inés Roldan
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Silversides of the genus Labidesthes (Atheriniformes: Atherinopsidae)
Zootaxa, 2015The two species of Labidesthes, L. sicculus and L. vanhyningi, are herein redescribed. Labidesthes sicculus is separated from L. vanhyningi by the presence of an anterolateral process of the post temporal that is longer than it is wide (versus wider than long), a ratio of thoracic length to abdominal length greater than two (versus less than two), and ...
Werneke, David C. +1 more
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Cryobiology, 2021
The knowledge of the physiology of sperm of an endangered species allows the implantation of reproductive biotechnologies that aim at conservation. The aim of this study was to characterize fresh sperm and evaluate different cryopreservation solutions for sperm in Chirostoma estor. The characterization of Chirostoma estor fresh sperm (n = 22 males) was
Naiara Cristina Motta +6 more
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The knowledge of the physiology of sperm of an endangered species allows the implantation of reproductive biotechnologies that aim at conservation. The aim of this study was to characterize fresh sperm and evaluate different cryopreservation solutions for sperm in Chirostoma estor. The characterization of Chirostoma estor fresh sperm (n = 22 males) was
Naiara Cristina Motta +6 more
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Taxonomic Revision of the Family Pseudomugilidae (Order Atheriniformes)
Australian Journal of Marine and Freshwater Research, 1989The genus Pseudomugil is revised and compared with its nominal sister groups. Popondichthys and Kiunga. which were previously placed within the family Melanotaeniidae . Pseudomugil, as a result of this study. is considered to belong to a distinct Old World atherinoid family. Pseudomugilidae. having two subfamilies. Pseudomugilinae and Kiunginae.
B Saeed, W Ivantsoff, GR Allen
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The complete mitochondrial genome ofOdontesthessp. (Atheriniforms, Atherinopsidae)
Mitochondrial DNA, 2014In this study, the complete mitochondrial genome of Odontesthes sp. has been studied first. The genome is 16,528 bp in length and contains 13 protein-coding genes, 22 tRNA genes, 2 ribosomal RNA genes and 1 putative control region. The mitochondrial genome of Odontesthes sp.
Tao, Wei, Ge, Shi, Rixin, Wang
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Mechanisms of the jaws of some atheriniform fish
Journal of Zoology, 1967The Atheriniformes is an order of teleost fish which consists of the Atherinoidei (sand smelts etc.), Cyprinodontoidei (tooth‐carps) and Exocoetoidei (halfbeaks etc.). Some of its members have protrusible upper jaws and some do not. Photographs have been taken of two species of Cyprinodontoidei feeding, to discover how they use their jaws, which are ...
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Environmental regulation of sex determination in fishes: Insights from Atheriniformes
2019Sex determination is the first step toward the establishment of phenotypic sex in most vertebrates. Aquatic poikilotherms such as teleost fishes exhibit a high diversity of sex-determination mechanisms and gonadal phenotypes that are remarkably plastic and responsive to a variety of environmental factors (e.g., water temperature, pH, salinity ...
Yoji, Yamamoto +3 more
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