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149 results for “Tetra”
FIGURES 1–15 in Taxonomic and nomenclatural notes on the Rhinusa tetra (Fabricius) species complex (Coleoptera: Curculionidae)
FIGURES 1–15. Rostrum in dorsal and lateral view of 1, Rhinusa tetra male, Rocca di Cave, Italy; 2, R. tetra female, Rocca di Cave, Italy; 3, R. comosa male, Pisoniano, Italy; 4, R. comosa female, Sandanski, Bulgaria; 5, R. moroderi female, Salamis, Cyprus; 6, R tetra male; 7, R tetra female; 8, R. comosa male; 9, R. comosa female; 10, R. moroderi female; 11 and 12, R. verbasci female, Golluk-Nallihan, Turkey; 13, R. verbasci female, Tessaglia, Greece. Aedeagus in dorsal view of 14, R. tetra; 15, R. comosa.
Phylogeography and population genetic structure of the cardinal tetra (Paracheirodon axelrodi) in the Orinoco basin and Negro River (Amazon basin): evaluating connectivity and historical patterns of diversification
<p class="MsoNormal"><span class="Fuentedeprrafopredeter1"><span>The Neotropics contain one of the most diverse assemblages of freshwater fishes worldwide. Part of this diversity is shared between the Orinoco and Amazon basins. These basins have been separated for a long time due to the Vaupes Arch, rising between 10 - 11 Ma. T</span></span><span class="Fuentedeprrafopredeter1"><span>oday, there is only one permanent connection between the Orinoco and Negro </span></span><span class="Fuentedeprrafopredeter1"><span>(Amazon) </span></span><span class="Fuentedeprrafopredeter1"><span>basins, known as the Casiquiare Canal</span></span><span class="Fuentedeprrafopredeter1"><span>. </span></span><span class="Fuentedeprrafopredeter1"><span>However, alternative corridors allowing fish dispersion between both basins have been proposed. The cardinal tetra (<em>Paracheirodon axelrodi),</em> the most important fish in the ornamental world market, is distributed in both basins. Here we investigated </span></span><span class="Fuentedeprrafopredeter1"><em><span>P. axelrodi </span></em></span><span class="Fuentedeprrafopredeter1"><span>phylogeography, population structure, and potential routes of migration and connectivity between the two basins. A total of 468 bp of the mitochondrial gene (COI), 555 bp of the nuclear gene fragment (MYH6), and 8 microsatellite loci were analyzed. </span></span><span class="Fuentedeprrafopredeter1"><span>As a result, we found two major genetic clusters as the most likely scenario (K=2), but they were not discreetly distributed between basins. A gradient of genetic admixture was observed in Cucui and </span></span><span class="Fuentedeprrafopredeter1"><span>São</span></span><span class="Fuentedeprrafopredeter1"><span> Gabriel da Cachoeira, between the upper Negro River and the upper Orinoco. Samples from the middle-lower Negro River were highly structured. </span></span><span class="Fuentedeprrafopredeter1"><span>Cucui (Negro basin) was more similar to the Orinoco than to the rest of the Negro basin populations. </span></span><span class="Fuentedeprrafopredeter1"><span>However, substructure was also observed by the discriminant analysis, fixation indices and other hierarchichal structure analyses (K=3-6), showing three major geographic clusters: Orinoco, Cucui, and the remaining of the Negro basin. </span></span><span class="Fuentedeprrafopredeter1"><span>Unidirectional migration patterns were detected between basins: via Cucui toward Orinoco and via the remaining of the Negro basin toward Orinoco. Results from the Relaxed Random Walk analysis support a very recent origin of this species in the headwater Orinoco basin (Western Guiana Shield, at late Pleistocene) with a later rapid colonization of the remaining Orinoco basin and almost simultaneously the Negro River via Cucui, between 0.115 until about 0.001 Ma. Historical biogeography and population genetic patterns observed here for Cardinal tetra, seem to be better explained by river capture, physical, or ecological barriers than due to the geographic distance.</span></span></p>
Poly Tetra Fluro Ethylene vs Native Collagen Membrane for Gbr in Anterior Maxilla
ClinicalTrials.gov study NCT03839615. IPD Sharing: UNDECIDED. Countries: 1. Publications: 27.
Role of Double Cuffed PTFE Arteriovenous Grafts in Enhancing Long-term Patency in Hemodialysis Patients (Extended Poly Tetra Fluoro Ethylene)
ClinicalTrials.gov study NCT03405233. IPD Sharing: NO. Countries: 1. Publications: 4.
A Proposed Tetra-modal Treatment Protocol for Muscle Invasive Urothelial Carcinoma of the Urinary Bladder
ClinicalTrials.gov study NCT05503563. IPD Sharing: UNDECIDED. Countries: 1. Publications: 5.
Tetra-modality Bladder Preservation Strategies in Muscle-invasive Bladder Cancer: TURBT+ Chemo/Immunotherapy+ Radiation Therapy+ Maintenance Immunotherapy vs. W&W
ClinicalTrials.gov study NCT06686381. IPD Sharing: NO. Countries: 1. Publications: 1.
Sputum Labeling Utilizing Synthetic Meso-Tetra (4-Carboxyphenyl) Porphyrin (TCPP) for Detection of Lung Cancer
ClinicalTrials.gov study NCT03837600. IPD Sharing: NO. Countries: 1. Publications: 1.
Phylogeography and population genetic structure of the cardinal tetra (Paracheirodon axelrodi) in the Orinoco basin and Negro River (Amazon basin): evaluating connectivity and historical patterns of diversification
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Data from: Seasonal population and individual niche dynamics in a tetra fish in the Pantanal wetlands
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Fig. 3. Phenacogaster julliae, MCP 53629, 24.7 in A new glass tetra species of Phenacogaster from the rio Salitre, rio São Francisco drainage, Brazil (Characiformes: Characidae)
Fig. 3. Phenacogaster julliae, MCP 53629, 24.7 mm SL, paratype: maxilla (top right), premaxilla (top left), and lower jaw (bottom). Lateral view, left side.
Fig. 5 in Ontogenetic development of tetra Astyanax lacustris (Characiformes: Characidae)
Fig. 5. Survival curve, from hatching to the end of the postflexion stage, of Astyanax lacustris. Arrows indicate the most critical periods for larval survival.
Fig. 2 in Ontogenetic development of tetra Astyanax lacustris (Characiformes: Characidae)
Fig. 2. Development of Astyanax lacustris during the preflexion stage: a. optical vesicle (A); b. fins pectoral (B); c. operculum (C), gill arches (D); d. food in the digestive tract (D).
Fig. 3 in Ontogenetic development of tetra Astyanax lacustris (Characiformes: Characidae)
Fig. 3. Individual of Astyanax lacustris in the flexion stage: a. myomeres (A); b. flexion of the notochord (B).
Data from: Sweet tetra-trophic interactions: multiple evolution of nectar secretion, a defensive extended phenotype in cynipid gall wasps
Many herbivores employ reward-based mutualisms with ants to gain protection from natural enemies. We examine the evolutionary dynamics of a tetra-trophic interaction in which gall wasp herbivores induce their host oaks to produce nectar-secreting galls, which attract ants that provide protection from parasitoids. We show that, consistent with other gall defensive traits, nectar secretion has evolved repeatedly across the oak gall wasp tribe and also within a single genus (Disholcaspis) that includes many nectar-inducing species. Once evolved, nectar secretion is never lost in Disholcaspis, consistent with high defensive value of this trait. We also show that evolution of nectar secretion is correlated with a transition from solitary to aggregated oviposition, resulting in clustered nectar-secreting galls, which produce a resource that ants can more easily monopolize. Such clustering is commonly seen in ant guard mutualisms. We suggest that correlated evolution between maternal oviposition and larval nectar induction traits has enhanced the effectiveness of this gall defense strategy.
FIGURE 3 in Hyphessobrycon petricolus, a new species of tetra (Characiformes: Characidae) from the rio Madeira basin, Mato Grosso, Brazil
FIGURE 3. Hyphessobrycon petricolus, paratypes, immediately after capture.
Figure 4 from: Soares IM, Azevedo-Santos VM, Benine RC (2017) Redescription of Moenkhausia megalops (Eigenmann, 1907), a widespread tetra from the Amazon basin (Characiformes, Characidae). Zoosystematics and Evolution 93(2): 255-264. https://doi.org/10.3897/zse.93.10837
Figure 4 - Moenkhausia megalops, GEA 2127, 61.4 mm SL, live specimen, Brazil, Pará State, rio Aurá, tributary of rio Guamá basin, Utinga State Park, Água Preta lake. Photo by M. Andrade.
Figure 3 from: Soares IM, Azevedo-Santos VM, Benine RC (2017) Redescription of Moenkhausia megalops (Eigenmann, 1907), a widespread tetra from the Amazon basin (Characiformes, Characidae). Zoosystematics and Evolution 93(2): 255-264. https://doi.org/10.3897/zse.93.10837
Figure 3 - Scanning electronic micrography of dentition of Moenkhausia megalops, INPA 40617, 43.2 mm SL, left internal lateral view of premaxilla, maxilla and dentary bones. Scale bar: 300µm.
Figure 5 from: Soares IM, Azevedo-Santos VM, Benine RC (2017) Redescription of Moenkhausia megalops (Eigenmann, 1907), a widespread tetra from the Amazon basin (Characiformes, Characidae). Zoosystematics and Evolution 93(2): 255-264. https://doi.org/10.3897/zse.93.10837
Figure 5 - Distribution of Moenkhausia megalops. Circles represent lots examined; star indicates type locality in the rio Tapajós basin.
Figure 1 from: Soares IM, Azevedo-Santos VM, Benine RC (2017) Redescription of Moenkhausia megalops (Eigenmann, 1907), a widespread tetra from the Amazon basin (Characiformes, Characidae). Zoosystematics and Evolution 93(2): 255-264. https://doi.org/10.3897/zse.93.10837
Figure 1 - Moenkhausia megalops, holotype, CAS 71433, 40.6 mm SL, Brazil, Pará State, Itaituba, rio Tapajós basin. Figure modified from CAS, all rights reserved.
FIGURE 3 in Spatial and temporal variation of the diet of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 3 | Ordination of the diet of Hyphessobrycon heterorhabdus between hydrological periods in eight streams of a protected area in the Eastern Amazon, Brazil.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
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