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175 results for “Tilapia”
Data from: Genetic diversity of Nile tilapia (Oreochromis niloticus) throughout West Africa
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Data from: Eco-morphological differentiation in Lake Magadi tilapia, an extremophile cichlid fish living in hot, alkaline and hypersaline lakes in East Africa
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Data from: Development of Diversity Arrays Technology markers as a tool for rapid genomic assessment in Nile tilapia, Oreochromis niloticus
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Data from: On the occurrence of three non-native cichlid species including the first record of a feral population of Pelmatolapia (Tilapia) mariae (Boulenger, 1899) in Europe
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Data and code for: Microalgae-blend tilapia feed eliminates fishmeal and fish oil, improves growth, and is cost viable
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Fig. 9 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 9. Defense strategy (schooling and dispersing) by the Nile Tilapia (mean ± SD) in the tanks with Pseudoplatystoma corruscans (white circles), Salminus brasiliensis (white squares) and Brycon orbignyanus (black triangles), for 0%, 50%, 100% and RD treatments. The three-way ANOVA for these data showed interaction (P =0.018) among species, structural complexity and schooling. Shoaling decreased for 0% to 100% structural complexity treatments, while dispersing behavior increased for the RD treatment.
Fig. 4 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 4. Temporal variation of predatory activity the experiment, in each treatment. Mean ± SD of Oreochromis niloticus survival in the tanks with Pseudoplatystoma corruscans (white circles), Salminus brasiliensis (white squares) and Brycon orbignyanus (black triangles). Levels of habitat complexity: a. 0%, b. 50%, c. 100% and d. RD.
Fig. 1 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 1. Experimental tanks used. The left side of the image shows the simulation of habitat complexity using a plastic imitation of macrophytes: upper left – 0% habitat complexity, upper right – 50%, bottom left – 100% and bottom right – RD (rocks and driftwood). The right side of the image shows the individual water circulation system, the lamps used to manipulate the photoperiod of 12:12 h light:dark and the dark panels at the windows to avoid the influence of natural light.
Fig. 5 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 5. Use of microhabitat (surface, middle and bottom layers) by the native predators (mean ± SD) Pseudoplatystoma corruscans (white circles), Salminus brasiliensis (white squares) and Brycon orbignyanus (black triangles), for 0%, 50%, 100% and RD treatments. The three-way ANOVA for these data showed significant interaction (P = 0.049) among species, structural habitat complexity and microhabitat.All species of native predators used the bottom layer of the tank more frequently.
Fig. 6 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 6. Activity (inactive, swimming, stalking and attacking) by the native predators (mean ± SD) Pseudoplatystoma corruscans (white circles), Salminus brasiliensis (white squares) and Brycon orbignyanus (black triangles), for 0%, 50%, 100% and RD treatments. The three-way ANOVA for these data suggested that the interaction among species, structural habitat complexity and activity was significant (P <0.001). The native predators did not stalk or attack in any of the treatments.
Fig. 2 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 2. Summary of scheme of experimental procedures, design and statistical analyses. From left to right: acclimatization period and procedures for each species in isolation (Oreochromis niloticus, Salminus brasiliensis, Pseudoplatystoma corruscans and Brycon orbignyanus). Experimental design: four levels of habitat complexity (0%, 50% and 100% (simulated using green plastic filaments) and RD (rocks and driftwood) simulated with basaltic rocks and tree branches) for three species combinations (O. niloticus x S. brasiliensis, O. niloticus x P. corruscans and O. niloticus x B. orbignyanus), replicated three times, totaling 36 experimental units. Ten O. niloticus were placed in each tank and after 6 h, one predator was added. Data collection started 6 h from the beginning of the experiment and was repeated at 12-h intervals (5 a.m./5 p.m.). The predatory efficiency, predation frequency over time, use of microhabitat and activity by predators and prey, together with the defense strategy of the prey, were analyzed using different models of ANOVA design.
Fig. 3 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 3. Predatory efficiency (mean ± standard deviation (SD) of Oreochromis niloticus consumption) by Pseudoplatystoma corruscans (white bars), Salminus brasiliensis (black bars) and Brycon orbignyanus (gray bars), in 0%, 50%, 100% and RD treatments. ANOVA for these data was not significant (P = 0.69) for interaction between species and structural complexity. However, the predatory efficiencies of species were different (P <0.001).
Fig. 7 in Foraging behavior interactions between the invasive Nile Tilapia (Cichliformes: Cichlidae) and three large native predators
Fig. 7. Use of microhabitat (surface, middle and bottom) by the Nile Tilapia (mean ± SD) in the tanks with Pseudoplatystoma corruscans (white circles), Salminus brasiliensis (white squares) and Brycon orbignyanus (black triangles), for 0%, 50%, 100% and RD treatments. The three-way ANOVA for these data suggested significant (P = 0.045) interaction between species, structural complexity and use of microhabitat. The juveniles used the surface and bottom layers more frequently.
Figure 8 from: Sugiharto SP, Bintoro N, Karyadi JNW, Pranoto Y (2020) Supercritical carbon dioxide pasteurization to reduce the activity of muscle protease and its impact on physicochemical properties of Nile tilapia. Research Ideas and Outcomes 6: e56887. https://doi.org/10.3897/rio.6.e56887
Figure 8 Effect of HPCD (40 °C and 15 min) of hardness of fillet. Bars with the same letter were not significantly different. Vertical lines indicate standard deviation.
Figure 2 from: Sugiharto SP, Bintoro N, Karyadi JNW, Pranoto Y (2020) Supercritical carbon dioxide pasteurization to reduce the activity of muscle protease and its impact on physicochemical properties of Nile tilapia. Research Ideas and Outcomes 6: e56887. https://doi.org/10.3897/rio.6.e56887
Figure 2 The appearance of whole fish Nile tilapia after subjected to CO2 pasteurization at 40 oC and for 15 min with the following pressures: A. No treatment, B. 70 bar, C. 75 bar, D. 80 bar, E. 85 bar, and F. 90 bar
Figures 28-31 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 28-31 Photomicrographs of the middle and posterior intestine of T. sparrmanii. (28, 29) Photomicrographs of transverse sections of the posterior intestine, showing AB (Ph 2.5 positive cells (arrows). (LP), lamina propria; (M), mucosa; (EP), epithelium. (30, 31) Photomicrographs of transverse sections of the posterior intestine, showing PAS positive cells. PAS/haematoxylin stain. (LP), lamina propria; (M), mucosa; (EP), epithelium.
Figures 22-27 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 22-27 Photomicrographs of the middle and posterior intestine of T. sparrmanii. (22, 23) Photomicrographs of transverse sections of the middle intestine, showing mucosa, (M); lamina propria, (LP); submucosa, (SM); internal circular muscular layer, (IC); external longitudinal muscle layer, (OC) H&E stain. (24) Photomicrographs of transverse sections of the middle intestine, showing AB (Ph 2.5 positive cells (arrows). (25) Photomicrographs of transverse sections of the middle intestine, showing PAS positive cells (arrows). (26, 27) Photomicrographs of transverse sections of the posterior intestine, showing mucosa, (M); lamina propria, (LP); submucosa, (SM); internal circular muscular layer, (IC); external longitudinal muscle layer, (OC); serosa (S) and the epithelium (EP) H&E stain. Scale bars: 50 µm.
Figures 8-11 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 8-11 (8) Photomicrograph of the cardiac stomach of T. sparrmanii showing mucosal fold consisting of lamina propria with numerous gastric glands (GG), and muscularis, which consisted of inner circular (IC) and outer longitudinal (OL), the serosa (S) and the epithelial layer with gastric pits (arrow). H&E stain. (9) An enlarged photomicrograph of the cardiac stomach of T. sparrmanii showing the different layers; the sub mucosa (SM), muscularis consisting of inner circular (IC) and outer longitudinal (OL) muscle layers, the serosa (S) and gastric glands (GG). H&E stain. (10) Photomicrograph of the pyloric stomach of T. sparrmanii showing villi like projections into the gastric lumen. Note the absence of gastric glands. (11) Photomicrograph showing the transition between the oesophagus and the stomach (arrows). Note the absence of AB (pH 2.5) positive cell in the pyloric region of the stomach (*). Scale bars: 8, 10, 11 = 200 µm, 9 = 50 µm.
Figures 16-21 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 16-21 Photomicrographs of the anterior intestine (AI): (16) An overview of the anterior intestine with emphasis for zig-zag shaped villi, with columnar epithelial cells, which are well endowed with goblet cells. H&E stain. (17) Shows an enlarged image of a segment of Fig. 16 highlighting epithelial lining of the anterior intestine endowed with goblet cells (arrows). H&E stain. (18, 19) Highlights epithelial cells of the anterior intestine endowed with AB (pH 2.5) positive goblet cells. Note the elongated and oval shaped positive cells (arrows) in Fig. 19. (20, 21) Highlights epithelial cells of the anterior intestine endowed with PAS positive goblet cells. Note the teardrop shaped PAS positive cells (arrows) in Fig. 21. Scale bars: 16, 18, 20 = 200 µm, 17 = 20 µm, 19, 21 = 50 µm.
Figures 12-15 from: Okuthe GE, Bhomela B (2020) Morphology, histology and histochemistry of the digestive tract of the Banded tilapia, Tilapia sparrmanii (Perciformes: Cichlidae). Zoologia 37: 1-14. https://doi.org/10.3897/zoologia.37.e51043
Figures 12-15 (12, 13) Photomicrographs of the cardiac stomach of T. sparrmanii showing numerous gastric glands (GG), and AB (pH 2.5) positive neck cells (arrows). (14, 15) Photomicrographs of the stomach of T. sparrmanii showing numerous gastric glands (GG), and PAS positive epithelial and mucous cells (arrows). Lamina propria (LP); Mucosa (M); submucosa (SM). Scale bars: 12–14 = 50 µm, 15 = 200 µm.
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.
International Brain Laboratory public data
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
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.