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184 results for “freshwater habitat”
Fig. 6 in Gill dimensions in near-term embryos of Amazonian freshwater stingrays (Elasmobranchii: Potamotrygonidae) and their relationship to the lifestyle and habitat of neonatal pups
Fig. 6. The two main axes of a principal component analysis based on total gill area, mass-specific gill area, body mass, total length, Anatomical Diffusion Factor and Relative Opening of Spiracule (ROSp) in the different potamotrygonid embryos: black triangle - Plesiotrygon iwamae; open diamond - Paratrygon aiereba; circle - Potamotrygon motoro (from Negro River); open triangle - Potamotrygon motoro (from Solimões River); black square - Potamotrygon orbignyi; open square - Potamotrygon sp. (cururu ray).
Fig. 5 in Gill dimensions in near-term embryos of Amazonian freshwater stingrays (Elasmobranchii: Potamotrygonidae) and their relationship to the lifestyle and habitat of neonatal pups
Fig. 5. Triplot of log (Anatomic Diffusion Factor) versus log(water/blood barrier thickness) versus log(mass-specific gill area) of the potamotrygonid embryos.
Fig. 3 in Gill dimensions in near-term embryos of Amazonian freshwater stingrays (Elasmobranchii: Potamotrygonidae) and their relationship to the lifestyle and habitat of neonatal pups
Fig. 3. Mass-specific gill area of the anterior and posterior hemibranchs of the gill arches in different potamotrygonid embryos: (A) Potamotrygon orbignyi; (B) Potamotrygon sp.; (C) Potamotrygon motoro (from Negro River); (D) Potamotrygon motoro (from Solimões River); (E) Plesiotrygon iwamae; (F) Paratrygon aiereba.
Fig. 2 in Gill dimensions in near-term embryos of Amazonian freshwater stingrays (Elasmobranchii: Potamotrygonidae) and their relationship to the lifestyle and habitat of neonatal pups
Fig. 2. Total superficial gill area of the anterior and posterior hemibranchs of the gill arches in different potamotrygonid embryos: (A) Potamotrygon orbignyi; (B) Potamotrygon sp.; (C) Potamotrygon motoro (from Negro River); (D) Potamotrygon motoro (from Solimões River); (E) Plesiotrygon iwamae; (F) Paratrygon aiereba.
Fig. 1 in Gill dimensions in near-term embryos of Amazonian freshwater stingrays (Elasmobranchii: Potamotrygonidae) and their relationship to the lifestyle and habitat of neonatal pups
Fig. 1. The potamotrygonid embryos: (A) Potamotrygon orbignyi; (B) cururu ray Potamotrygon sp.; (C) Potamotrygon motoro (from Negro River); (D) Potamotrygon motoro (from Solimões River); (E) Plesiotrygon iwamae; (F) Paratrygon aiereba. Scale bars= 1 cm.
Figs 1–5 in A Description of Cochliopodium a Freshwater Habitat megatetrastylus n. sp. Isolated from
Figs 1–5. Light microscopic and fine structure images of Cochliopodium megatetrastylus n. sp. 1–3. Morphology of living C. megatetrastylus n. sp. during locomotion. 1 – locomoting amoebae with anterior hyaloplasm fringe; 2 – morphology of the relatively short subpseudopodia that become adhesive laterally and posteriorly, and attach to the substratum; 3 – aggregation and fusion of amoebae (inset shows a large and nearby small cyst). All scale bars: 20 µm; 4 – fine structure of a cell in cross-section showing the nucleus (N) and prominent nucleolus (Nu), vacuole (V), emergent pseudopodia (Ps) from the ventral surface, and showing scales (arrow) covering the dorsal surface. Scale bar: 2 µm; 5 – tubulo-cristate mitochondria (M) near the cell periphery, coated with surface scales (arrows) shown in profile. Double-headed arrows indicate the distance (~ 0.2 µm) between the bases of a pair of opposite styles that support the apical collar. Scale bar: 0.5 µm.
Figs 6, 7 in A Description of Cochliopodium a Freshwater Habitat megatetrastylus n. sp. Isolated from
Figs 6, 7. Fine structure details of the nucleus of Cochliopodium megatetrastylus n. sp. 6 – examples of nuclei varying from somewhat rounded with undulating margin to those with lobe-like extensions (arrow); 7 – a lenticular shaped nucleus viewed in one plane of section. Scale bars: 1 µm.
Fig. 10 in A Description of Cochliopodium a Freshwater Habitat megatetrastylus n. sp. Isolated from
Fig. 10. Diagram of C. megatetrastylus n. sp. scale showing the grid-like base plate and the apical conical collar supported on four styles. Scale bar: 0.1 µm.
Fig. 1 in Heterotrophic Flagellates from Freshwater and Soil Habitats in Subtropical China (Wuhan Area, Hubei Province)
Fig. 1. Location of studied sites. 1 – Yangtze River, 2 – Moshan hill, 3 – Donghu Lake, 4 – Luojiashan hill.
Fig. 4. 1, 2 in Heterotrophic Flagellates from Freshwater and Soil Habitats in Subtropical China (Wuhan Area, Hubei Province)
Fig. 4. 1, 2 – Petalomonas minuta (small cell with single anterior flagellum and longitudinal groove); 3, 4 – P. pusilla (small cell with single anterior flagellum and truncate anterior end); 5–7 – Phalansterium sp. (colonies of unikont spherical cell surrounded by mucilage); 8–12 – Phyllomitus apiculatus (cells with visible flagellar pocket, two heterodynamic flagella, anterior flagellum curves back over the rostrum (8), big food vacuoles), (12) whole mount (TEM); 13, 14 – Protaspa simplex (gliding spherical cells, cell body wags in unison with the flagellar beat); 15, 16 – Pteridomonas pulex (single apical flagellum emerging from a slight depression at the top of the cell, flagellum is surrounded by 12 stiffarms, body attaches to substrate by thin stalk); 17–19 – Rhynchomonas nasuta (oval cell bears undulating proboscis and long posterior flagellum), (19) whole mount (TEM); 20, 21 – Salpingoeca amphoridium (cell with narrow neck inside amphora-like lorica); 22 – S. gracilis (cylindrical cell inside cyathiform lorica); 23–25 – S. minor (spherical cell with narrow neck inside round lorica); 26–29 – Spongomonas uvella, (spherical cells with two isokont long acronematic flagella form colonies surrounded minute granules) (29) whole mount (TEM). Scale bars: 4 µm (3, 4), 5 µm (18, 23–25, 28, 29), 6 µm (1, 2), 8 µm (5, 7, 17, 19), 10 µm (6, 8–10, 12–14, 20, 27), 15 µm (11, 15, 21, 22, 26), 25 µm (16).
Figure 3 in First record of scalloped hammerhead shark Sphyrna lewini (Carcharhiniformes: Sphyrnidae) in freshwater habitat
Figure 3. Another side of S. lewini on 6 April 2020 in Mahakam river at Muara Baroh village, Muara Pahu subdistrict, Kutai Barat district, East Kalimantan province (Photo: Yuni Sri Wahyuni).
Figure 1 in First record of scalloped hammerhead shark Sphyrna lewini (Carcharhiniformes: Sphyrnidae) in freshwater habitat
Figure 1. Location of known S. lewini in Borneo. Yelow circles are S. lewini recorded in Bornean waters after Last et al. (2010), and red circle is recent inland record from Mahakam river, East Kalimantan province.
Figure 2 in Microplastics in commercial fish digestive tracts from freshwater habitats in Northern Thailand
Figure 2. Examples of fish species collected and some of the microplastic items found in these species.
Figure 1 in Microplastics in commercial fish digestive tracts from freshwater habitats in Northern Thailand
Figure 1. Location of fish sampling; upper Ban Tam stream (ST1, 19.218890, 99.752027, 528 m a.s.l.), middle Ban Tam stream (ST2, 19.232346, 99.765564, 481 m a.s.l.), Kwan Phayao reservoir (ST3, 19.120415, 99.946195, 391 m a.s.l.), and Nong Leng Sai reservoir (ST4, 19.391076, 99.819014, 398 m a.s.l.).
Figure 7 in Microplastics in commercial fish digestive tracts from freshwater habitats in Northern Thailand
Figure 7. Comparison of abundance of plastics among fishes from different habit groups (herbivorous, carnivorous, omnivorous, and scavenger).
Figure 6 in Microplastics in commercial fish digestive tracts from freshwater habitats in Northern Thailand
Figure 6. Pearson correlation between fish body weight and length and MP abundance of fish samples (n=166). Linear regression analysis for number of microplastic with fish body weight (a), and body length.
Figure 3 in Microplastics in commercial fish digestive tracts from freshwater habitats in Northern Thailand
Figure 3. Abundance of microplastics in the digestive tract of fish species collected from freshwater habitats in northern Thailand.
Figure 4 in Microplastics in commercial fish digestive tracts from freshwater habitats in Northern Thailand
Figure 4. Photographs showing different morphotypes, sizes, and colors of microplastics obtained from fish.
Figure 10 in Microplastics in commercial fish digestive tracts from freshwater habitats in Northern Thailand
Figure 10. FTIR spectra of the representative microplastic found in freshwater fish samples. Possible types are identified according to peak position of the spectra. a) polyethylene; b) polyethylene terephthalate; c) polyvinyl acetate; d) poly (methyl phenyl siloxane); e) poly (methyl vinyl ether); f) polybutadiene; g) polypropylene; h) poly (ethylene-copropylene); i) poly (ethylene glycol) tetrahydrofurfuryl ether; j) poly (styrene-co-divinylbenzene); k) polyvinylidene fluoride.
Figure 8 in Impact of aquatic habitat environment on the elemental composition and shell shape variability of the Beringian freshwater mussel Beringiana beringiana (Bivalvia, Unionidae)
Figure 8. Relationships between values of distribution coefficients (Kd Shell/Water Zn (A), Kd Shell/Water Sr (B) and Kd Shell/Water Al (C)) and principal component 1, revealed from the shell shape analysis of Beringiana beringiana. For the numbers of localities see caption for Figure 7.
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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.