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quantitative polymerase chain reaction; polypeptides; messenger RNA; translation (genetics); liver; copper; Cyprinidae; heavy metals; DNA; exposure duration; open reading frames; cadmium; Western blotting; amino acid sequences; amino acids; gene expression; fish; heat-shock protein 70; introns
Abstract:
... A full sequence of TaHSP70 (heat shock protein 70 of Tanichthys albonubes) was amplified which was 2398bp, including an open reading frame (ORF) of 1392bp encoding a polypeptide of 643 amino acids with all three HSP70 family signatures and cytosolic motif of EEVD. Genomic DNA structure analysis revealed that the TaHSP70 gene contained one intron in 5′UTR. BLAST analysis revealed that the TaHSP70 g ...
Cyprinidae; data collection; fish; watersheds; Italy
Abstract:
... Stock-density indices are standardized methods for analyzing length-frequency data that quantify the length structure of a fish population into length categories that are of interest to recreational anglers. We adapted North American relative stock density (RSD) and proportional stock density (PSD) indices to four Italian endemic or native cyprinid species by means of two methods. In accordance wi ...
... Agouti-related protein (AgRP) is an important neuropeptide involved in the regulation of feeding in both mammals and fish. In this study, we have cloned the full-length cDNA sequence for AgRP in a cyprinid fish (Schizothorax prenanti). The AgRP gene, encoding 126-amino acids, was strongly expressed in the brain. The AgRP gene was detected in embryos at developmental stages. Further, its mRNA was d ...
Cyprinidae; autumn; divergent evolution; indigenous species; mitochondrial DNA
Abstract:
... The variability of mtDNA in four Far Eastern endemic species of the genus Tribolodon was studied in the significant part of their areas. There was no close relationship between the lifetime and the level of mtDNA variability. The relation between the population genetic structure and the level of amphidromic species was revealed. The presence of mtDNA phylogroup differed in three of the four specie ...
... Osteology of two cyprinid fishes, Cyprinion kais and C. macrostomum, from the Tigris-Euphrates basin was described and compared. Eight specimens of C. kais and ten specimens of C. macrostomum from Godarkhosh River (western Iran) were studied. The skeletal elements were prepared using clearing and softening methods and photographed. The differences between the two taxa include a deeper posterior po ...
... A set of 8 microsatellites was developed for a freshwater fish chush snowtrout, Schizopyge niger. Chush snowtrout is an endemic fish to Kashmir valley, India. Constructing a partial genomic library, we obtained 36 clones containing putative microsatellite motifs and 12 microsatellite with enough flanking sequence for primer designing. The number of alleles per locus ranged from 3 to 7 (mean 4.75), ...
... The Chinese giant salamander (Andrias davidianus) iridovirus (GSIV) is an emerging infectious pathogen responsible for severe hemorrhagic disease and high mortality in cultured Chinese giant salamanders. A loop-mediated isothermal amplification (LAMP) assay based on the major caspid protein (MCP) gene has been developed to detect this virus. Primer pairs for the LAMP assay were designed based on t ...
Cyprinidae; DNA; genomic libraries; heterozygosity; loci; microsatellite repeats; polymerase chain reaction; population genetics; China
Abstract:
... Eighteen polymorphic microsatellite primers were developed for Schizopygopsis younghusbandi using an enrichment genomic library and evaluated for PCR using the genomic DNA of 29 individuals from the Lhasa River in Tibet. Eighteen of 70 loci amplified reliable bands revealed a useful degree of polymorphism with a typical multi-banded pattern of polyploid species. The total number of bands per locus ...
... Gobiocypris rarus is a freshwater cyprinid, which possesses lots of attractive features (short life cycle, high fecundity, and especially the transparent trait during early life stage) that make it a suitable model in aquatic toxicity tests. In this study, the effects of 3,4-dichloroaniline (3,4-DCA) on the early life stages of G. rarus were measured. As endpoints, normal developmental parameters ...
... Big Spring spinedace (Lepidomeda mollispinis pratensis) is a cyprinid whose entire population occurs within a section of Meadow Valley Wash, Nevada. Other spinedace species have suffered population and range declines (one species is extinct). Managers, concerned about the vulnerability of Big Spring spinedace, have considered habitat restoration actions or translocation, but they have lacked data ...
... Mating systems evolve with sexual size dimorphism (SSD) in many animals. Mating systems with males larger than females occur when males compete for female access or guard territories, while mating systems with group mating tend to occur in species where females are the same size or larger than males. In addition to variation in SSD with mating system, sperm competition varies among mating systems ...
... Recent years have witnessed a new round of research on one of the most studied proteins - myoglobin (Mb), the oxygen (O2) carrier of skeletal and heart muscle. Two major discoveries have stimulated research in this field: 1) that Mb has additional protecting functions, such as the regulation of in vivo levels of the signaling molecule nitric oxide (NO) by scavenging and generating NO during normox ...
Chanidae; Clariidae; Cyprinidae; clay; ecosystems; fish; forests; habitat destruction; habitats; human settlements; humans; islands; rivers; species diversity; Republic of the Congo
Abstract:
... Human induced habitat destruction and modifications cause losses of aquatic and terrestrial biodiversity. The Congo and its islands constitute special ecosystems and have been used by humans for many purposes over centuries. However, little is known about the effects of these human activities on the fish species richness and distribution. This study is a preliminary assessment of island habitat ty ...
... A 924 bp segment of the mitochondrial control region (d-loop) was sequenced and analyzed in 334 specimens of Sinibrama macrops from 13 sites in Qiantang River Basin, China. Haplotype diversity (h = 0.724 ± 0.063) and nucleotide diversity (π = 0.00263 ± 0.00027) were lowest in Shengzhou population which had been separated from mainstream of Qiantang River Basin by seawater. The results of pairwise ...
Cyprinidae; Oncorhynchus mykiss; databases; economics; ecosystems; fish culture; freshwater fish; human population; introduced species; population size; Europe
Abstract:
... Activities that manipulate ecosystems to support economic activities provide major introduction pathways for non-native species. As such, substantial differences in the socioeconomic conditions between countries could influence how ecosystems are manipulated and thus impact the composition of their communities of non-native species. Here, we compared the influence of freshwater fish aquaculture pr ...
Cyprinidae; General Circulation Models; biogeography; cold; entropy; environmental factors; gas emissions; geographical distribution; global warming; habitats; minnows; prediction; streams; temperature; China
Abstract:
... Global climate change has been suggested to cause decrease of distribution area of many species. However, this has not been tested for East Asian inland coldwater fish. Chinese minnow (Rhynchocypris oxycephalus) is a small typical coldwater fish, which is endemic to East Asia and generally inhabits stream headwaters. Due to its occurrence in temperate south China, there is growing concern about it ...
Cyprinidae; altitude; carp; genes; phylogeny; China
Abstract:
... The schizothoracine fishes, also known as “mountain carps” are widely distributed in the Qinghai-Tibetan Plateau and its peripheral regions. Although they provide a prime example of high altitude adaptation, the phylogenetic relationships and the divergence times among these carp lineages are still controversial. Moreover, the genetic basis for high altitude adaptation is also poorly understood. I ...
... We examined laboratory host suitability and assessed the distribution and status of Alasmidonta marginata (Elktoe) in Minnesota. Of the 85 fish species tested, glochidia metamorphosed on 27 species in 6 families (Cyprinidae, Catostomidae, Fundulidae, Poeciliidae, Gasterosteidae, and Cottidae). All catostomid species facilitated metamorphosis, and overall, Catostomidae produced more juvenile mussel ...
... In order to determine an unknown fish population from the Vrana Lake, mitochondrial cytochrome b gene and non-coding nuclear region Cyfun P were investigated. Stabile population of Bulldog rudd, Scardinius dergle Heckel & Kner, the endemic Croatian freshwater fish in the Krka River, was genetically characterized with the same markers in order to compare it with the material from the Vrana Lake. Ge ...
Cyprinidae; animal morphology; biodiversity; intestines; sibling species
Abstract:
... We evaluated inter- and intraspecific variations of the intestinal coiling patterns and intestinal length of the oily bitterlings, Tanakia limbata, Tanakia koreensis, Tanakia somjinensis, and Tanakia signifer. All the oily bitterling species shared a unique intestinal coiling pattern, expressed as an oval shaped loop. The ratio of the intestinal length to standard length varied among species, viz. ...
... A set of 12 microsatellites was developed for a freshwater fish golden mahseer, Tor putitora. Golden mahseer is an endangered and endemic in mid-hill regions of South-Asian countries. Constructing a partial genomic library, we obtained 44 clones containing putative microsatellite motifs and 12 microsatellite with enough flanking sequence for primer designing. The number of alleles per locus ranged ...
... Habitat fragmentation and anthropogenic activities have caused changes to many fishes, such as Neolissochilus soroides in protected areas despite of its abundance. Therefore, it would be interesting to observe the changes in behavior and genetics of this species at fine scale. Quantification of genetic diversity in N. soroides using primers from related species was not successful. Therefore, new m ...
Cyprinidae; DNA; dams (hydrology); genetic markers; genetic variation; linkage disequilibrium; microsatellite repeats; overfishing; population size; population structure; water pollution; China; Yangtze River
Abstract:
... Bronze gudgeon, Coreius heterodon, is an endemic and economically important fish in the Yangtze River, whose abundance has declined dramatically because of dam construction, overfishing, and water pollution. The Gezhouba and Three Gorges dams block connection of the bronze gudgeon populations above and below the dams. We collected bronze gudgeon from four sites in the mainstem of the Yangtze River ...
... Squalidus argentatus is a small-sized cyprinid fish and widely distributed in mainland China. A total of nine polymorphic microsatellite markers were employed to study 216 individuals collected from nine populations. The average number of alleles among nine populations was 8.0 with a range from 6.5 to 9.7. The mean observed (HO) and expected (HE) heterozygosity ranged from 0.56 to 0.68 and from 0. ...
Cyprinidae; coevolution; data collection; fish; genetic variation; internal transcribed spacers; monophyly; ribosomal DNA; taxonomy; India
Abstract:
... Relationship among the mahseer species (Family: Cyprinidae) has long been debated in fish systematics. Present study concentrates on the nature of the phylogenetic relationship among the five mahseer species using the sequence of major ribosomal DNA (45S rDNA). We have covered rDNA sequence of approximately 5.2kb per individual, 26.0kb per species and 130.0kb as a whole. We also characterized the ...
... The proteins encoded by amh, dax1 and cyp19a1a play important roles in gonad differentiation. Their functions have been far less studied in teleosts. In this study, the full-length cDNAs of amh, dax1 and cyp19a1a were cloned and characterized in a triploid gynogenic fish, the Pengze crucian carp. Their expression profilings in juvenile development, adult tissues and juveniles exposed to 100ng/L 17 ...
Cyprinidae; Fusconaia; Lampsilis; Pleurobema; freshwater; land use; mussels; pulp and paper mills; rare species; rivers; surveys; threatened species; watersheds; Louisiana; Texas
Abstract:
... Recent studies of mussels have documented a gradient of extirpation that extends from Toledo Bend Dam to United States Highway 190 in the lower Sabine River. A similar pattern has been documented for the diversity and abundance of cyprinids. To evaluate whether impacts of the project have extended into nearby tributaries, we assessed the distribution and abundance of threatened species of mussels ...
... Onychostoma minnanensis sp. nov. is described from tributaries of the Julong River in Fujian Province, China, based on morphological and mitogenetic evidence. It is characterized by the following unique combination of features: (1) a flexible and nonserrated last simple ray, (2) lateral-line scales always 41–44 modally 42 and predorsal scales 12 or 13 modally 12, (3) longer maxillary barbels in he ...
... We evaluated the effects of temporal variation of fish density estimates on the explanatory power of habitat use models. Fish density estimates were obtained using visual surveys (10 visits) in eighteen 100 m reaches over a 7-week period. Physical attributes of reaches were estimated. Field data were used to develop a simulation domain (10 000 reaches) that reflected the spatio-temporal variabilit ...
Cyprinidae; body weight; egg weight; fauna; females; fish; fisheries; gonads; indigenous species; males; population dynamics
Abstract:
... Neosalanx taihuensis is an important zooplanktivorous commercial fish that has been widely introduced into Chinese freshwaters. Introduction of this species has induced decline and even extinction of native fish species in some waters. In this study, impacts of N. taihuensis introduction on growth and reproductive characteristics of an indigenous zooplanktivorous fish Hemiculter leucisculus were i ...
Cyprinidae; breeding; captive animals; extinction; fish; genetic variation; haplotypes; mitochondrial DNA; nucleotide sequences; overfishing; population genetics; population size; rivers; spawning; water pollution; watersheds; Poland
Abstract:
... Until 1960s, vimba was found abundantly in Polish rivers and was an important species for the fishing industry. Overfishing, water pollution and dam constructions brought most of the vimba populations close to extinction. We analyzed the genetic variability of several remnant vimba populations in the Vistula and Oder river basins. The 305-bp fragment encompassing the 5′-end of the mtDNA control re ...
Cyprinidae; adults; aquatic habitat; climate; ephemeral streams; fish larvae; floodplains; indigenous species; rain; rearing; seasonal variation; spawning; species diversity; spring; survival rate; water temperature; winter; California; Sacramento River
Abstract:
... Mediterranean climates with their pattern of seasonal rainfall and predictable annual flooding produce a wide variety of seasonally inundated aquatic habitats. Many studies have shown the benefits of these temporary habitats, such as floodplains, for the early life stages of fishes but little work has examined the use of seasonal streams or the differences in the abundance and distribution of nati ...
... Spawning migration of the endemic Labeobarbus species of Lake Tana upstream and downstream of a proposed site for a large dam on the Ribb River, Ethiopia, were investigated to assess the dam's potential impact on these fish. Fish were collected from five sites in the main channel and from seven tributaries during the spawning months in 2007 and 2010. Six species, namely L. brevicephalus , L. inter ...
... Phylogeographic relationships, the timing of clade diversification, and the potential for cryptic diversity in the Slender Madtom, Noturus exilis, was investigated using mitochondrial Cyt b, nuclear RAG2, shape analysis, and meristic and pigmentation data. Three well-supported and deeply divergent clades were recovered from analyses of genetic data: Little Red River (White River drainage) clade, A ...
... Two new Cyprinoid species are described from Phu Quoc Island, Gulf of Thailand. The first new species, Barbucca elongata sp. nova (Balitoridae), differs from the species B. diabolica, which is described previously, in more elongated body covered by small scales (50–67 perforated lateral line scales), conical snout, and coloration. The second new species, Rasbora vietnamensis sp. nova (Cyprinidae), ...
Cyprinidae; juveniles; larvae; linear models; otoliths; periodicity; regression analysis; rivers; South Africa
Abstract:
... This study tested the hypothesis that growth increments in larval largemouth yellowfish Labeobarbus kimberleyensis and smallmouth yellowfish L. aeneus from the Orange–Vaal river system, South Africa, are deposited daily. The periodicity of increment formation was determined by regular sampling and counting of increments deposited in the otoliths collected from a total of 52 smallmouth and 41 large ...
Cyprinidae; Gobiidae; biodiversity; ecoregions; ecosystems; environmental indicators; fauna; fish; indicator species; islands; rivers; Europe; Japan; United States
Abstract:
... Throughout Japan, numerous restoration projects and efforts to conserve the river environment are underway. However, in spite of such efforts, effective measures to conserve the river ecosystem or post-evaluation of restoration projects remain insufficient due to a lack of environmental indicators. In many European countries and the United States, a number of biological indicators have been develo ...
... The paper presents a description of Paradiplozoon bingolensis sp. n. from the gills of Garra rufa Heckel, 1843 (Cyprinidae) collected from the Göynük Stream, a tributary of the Murat River, Turkey. This is the first diplozoid species to be described from G. rufa. P. bingolensis is distinguished from the other valid species in the genus by the combination of the morphology of the sclerites of its c ...
Cyprinidae; drainage; eyes; new species; rivers; China
Abstract:
... A new species of the genus Sinocyclocheilus is described based on specimens collected from Zuojiang River drainage, Guangxi, China. The new species, named Sinocyclocheilus jinxiensis, is distinguished from all congeners by its vestigial eyes, short barbels, long pectoral fin, eight to nine branched dorsal-fin rays, last unbranched dorsal-fin ray soft with serrations on posterior edge of its lower ...
Cyprinidae; cytochrome b; fish; haplotypes; lakes; mitochondrial DNA; Japan
Abstract:
... The cyprinid species of the genus Gnathopogon, exhibiting flexible morphological and ecological variation, include limnetic life forms. We examined the origin of the limnetic forms and the population divergence of the Japanese Gnathopogon species, using molecular phylogenetic and phylogeographic analyses. A Bayesian phylogenetic inference approach based on mtDNA cytochrome b sequence data revealed ...
Cyprinidae; Lepomis macrochirus; adults; aquatic invertebrates; chlorophyll; coasts; fish; fish communities; habitats; human development; lakes; larvae; macroinvertebrates; species diversity; surface water; trophic relationships; vegetation; water quality; zooplankton; Alabama
Abstract:
... Many water bodies throughout North America have experienced shoreline development such as armoring with bulkheads or riprap to reduce erosion and protect property. Although research has addressed the influence of such development in systems containing vegetation, systems that experience water-level fluctuations, and thus have limited vegetation, have received little attention. Here we quantify the ...