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Fig. 3 in Morphology of Three Aloricate Choreotrich ciliates, Including Description of a New Species Parastrombidinopsis costalis sp. n. (Ciliophora, Choreotrichia), and phylogeny of the genus Parastrombidinopsis
Fig. 3. Photomicrographs of Parastrombidinopsis costalis sp. n. from life (A–F, J) and after protargol staining (G–I, K–N), (A–E, G–J, L, M) from Zhuhai population, and (F, K, N) from Sanya population. (A–C) Ventral-left, ventral, left-lateral views of one individual, arrows mark the dorsal ridge. (D, E) Ventral-left, ventral-right views of one individual; arrows mark the dorsal ridge. (F) Ventral-right view of one individual, arrow marks the dorsal ridge. (G, H) Ventral and dorsal views of one specimen, showing the somatic ciliature. (I) Ventral view of oral ciliature; arrow marks buccal membranelle. (J) Bases of oral membranelles; arrow marks buccal membranelle. (L) An early divider; arrow marks the oral primordium. (M) Two macronuclei. (K, N) Ventral and dorsal views of one specimen, showing the somatic ciliature. CM, collar membranelles; Ma, macronucleus; SK, somatic kinety. Scale bars: 25 μm (A, D); 20 μm (F); 3 μm (J).
Fig. 2 in Morphology of Three Aloricate Choreotrich ciliates, Including Description of a New Species Parastrombidinopsis costalis sp. n. (Ciliophora, Choreotrichia), and phylogeny of the genus Parastrombidinopsis
Fig. 2. Parastrombidinopsis costalis sp. n. of Zhuhai population from life (A–D) and after protargol staining (E–G). (A, B) Ventral and left lateral views of representative individuals; arrows mark the dorsal ridges. (C) Apical view, showing collar membranelles and body shape; arrow marks the dorsal ridge. (D) Locomotion. (E) Oral ciliature. (F, G) Ventral and dorsal views of the same specimen. BM, buccal membranelle; CM, collar membranelles; E, endoral membrane; SK, somatic kinety. Scale bars: 25 μm.
Fig. 1 in Morphology of Three Aloricate Choreotrich ciliates, Including Description of a New Species Parastrombidinopsis costalis sp. n. (Ciliophora, Choreotrichia), and phylogeny of the genus Parastrombidinopsis
Fig. 1. Satellite photograph of South-East China (A) and pictures of sampling sites (B–E). (A) The position of Zhanjiang, Zhuhai, Haikou and Sanya. (B) Coastal waters off Zhanjiang. (C) Coastal waters off Zhuhai. (D) Brackish waters in Haikou. (E) Mangrove wetland in Sanya.
Fig. 7 in New discoveries of the genus Thuricola Kent, 1881 (Ciliophora, Peritrichia, Vaginicolidae), with descriptions of three poorly known species from China
Fig. 7. Photomicrographs of Thuricola folliculata in vivo (A–M) and after protargol staining (N–Q). (A–E) Narrow side views of different individuals with two zooids (A–C, E) and single zooid (D), arrows mark contractile vacuole. (F, G) Wide side views of lorica, arrows mark the junctional membrane. (H, I) Narrow side views of lorica, arrows in H mark valves, arrowheads in H mark posterior bulge of lorica, arrowheads in (I) mark anterior bulge of lorica. (J, K) Aperture of lorica. (L) Posterior portion of lorica, arrowheads mark junctional membrane. (M) Detail of pellicle, to show the transverse striations, arrow marks the aboral trochal band. (N, O) Ciliature of two specimens. (P, Q) Oral ciliature. EM1–2, epistomial membrane 1–2; G, germinal kinety; H, haplokinety; Ma, macronucleus; P1–3, infundibular polykineties 1–3; TB, trochal band. Scale bars = 100 μm.
Figs 7a–f in Taxonomic Assessment of Three North American Trichodinids by Reevaluating the Taxon Validity of Trichodina heterodentata Duncan, 1977 (Peritrichia)
Figs 7a–f. Comparisons of denticles redrawn from micrographs taken of a – Trichodina heterodentata Duncan, 1977, Population A, b – T. heterodentata Duncan, 1977, Population B, c – T. heterodentata Duncan, 1977, Population C, d – T. hypsilepis Wellborn, 1967, e – T. salmincola Wellborn, 1967 and f – T. vallata Wellborn, 1967 paratypes housed at the Smithsonian Museum, USA.
Fig. 2 in Diversity and chromosomal evolution in the genus Ancistrus Kner, 1854 (Loricariidae: Ancistrini) from three hydrographic basins of Mato Grosso State, Brazil
Fig. 2. Karyotypes of Ancistrus with AgRONs in boxes (a-g); C band of Ancistrus sp. 13 (g'). Bars 10µm.
Fig. 3 in Diversity and chromosomal evolution in the genus Ancistrus Kner, 1854 (Loricariidae: Ancistrini) from three hydrographic basins of Mato Grosso State, Brazil
Fig. 3. Metaphases of Ancistrus with C band showing chromosomes NOR positive with large heterochromatin block (arrows). Bars 10 μm.
Fig. 1 in Diversity and chromosomal evolution in the genus Ancistrus Kner, 1854 (Loricariidae: Ancistrini) from three hydrographic basins of Mato Grosso State, Brazil
Fig. 1. Map of Mato Grosso State and sites crop (highlight-) showing Amazon, Araguaia-Tocantins and Paraguay hydrographic basins. Scale of original map 1:100.000.
Fig. 4 in Reproduction of Pimelodus maculatus (Siluriformes: Pimelodidae) in three section of Grande River basin, downstream Porto Colombia dam, south-eastern Brazil
Fig. 4. Bimonthly frequency of the gonadal maturation stages of P. maculatus males and females from three sampling sections of the Grande River basin, downstream from the Porto Colômbia dam. Section 1: Grande River, downstream from the Porto Colômbia dam; Section 2: confluence of the Grande and Pardo Rivers; Section 3: the Pardo River channel.
Fig. 5 in Reproduction of Pimelodus maculatus (Siluriformes: Pimelodidae) in three section of Grande River basin, downstream Porto Colombia dam, south-eastern Brazil
Fig. 5. PH, dissolved oxygen, electrical conductivity, temperature and water transparency in three sections of the Grande River basin, downstream from the Porto Colômbia dam. Section 1: Grande River, downstream from the Porto Colômbia dam; Section 2: confluence of the Grande and Pardo Rivers; Section 3: the Pardo River channel.
Fig. 3 in Reproduction of Pimelodus maculatus (Siluriformes: Pimelodidae) in three section of Grande River basin, downstream Porto Colombia dam, south-eastern Brazil
Fig. 3. Histological sections of P. maculatus ovaries, in different stages of gonadal maturation, stained with HE. A: Resting, with oogonia nests (Og), initial perinucleolar oocyte (O1) with basophilic cytoplasm and advanced perinucleolar follicles (O2) with granular cytoplasm; B: Initial maturation, with O1, O2 and pre-vitellogenic oocyte (O3) presenting cortical alveoli (arrow head) in the peripheral ooplasm; C: Advanced maturation/mature with O1, O2 and O3 and vitellogenic oocytes with ooplasm filled with acidophilic yolk globules; D: Detail of vitellogenic oocyte with cubic follicular cells (star), thin zona pellucida (*) and funnel-shaped micropile (arrow); E: Partially spawned, with O1, O2, O3, O4 and postovulatory follicles (FPO); insert of post-ovulatory follicle with wide lumen and wall of follicular cells and theca; F: Atretic follicles (AF) in the initial phase with yolk liquefaction and fragmentation of the zona pellucida; G: Partially spawned ovary with atretic follicle (AF) in the intermediate phase with hypertrophy of the follicular cells and an almost fully reabsorbed yolk; H: Fully spawned ovary with O1, O2 and atretic follicle in the final stage, forming yellow bodies (YB). Scale bars = 50 µm (A, D, insert of POF and H), 100 µm (B, C), 200 µm (E-G).
Fig. 2 in Reproduction of Pimelodus maculatus (Siluriformes: Pimelodidae) in three section of Grande River basin, downstream Porto Colombia dam, south-eastern Brazil
Fig. 2. Histological sections of P. maculatus testes, in different stages of gonadal maturation, stained with HE. A: Resting with seminiferous tubules closed containing only spermatogonia; B: Initial maturation, with seminiferous tubules containing all spermatogenic lineage cells and a small amount of sperm; C: Advanced maturation/mature, with seminiferous tubules filled with sperm; D: Partially spent, with open seminiferous tubules containing a considerable amount of sperm; E: Caudal region of a partially spent testis with globular acidophilic secretion (circle); F: fully spent, with open seminiferous tubules containing residual sperm in the lumen. * = Sperm; Arrow = Spermatogonia. Scale bars = 20 µm (A), 50 µm (B and F), 100 µm (C-E).
Fig.5 in Genetic And Morphological Variability Of Small Vendace (Coregonus Albula (Linnaeus, 1758)) Population In Three Latvian Lakes
Fig.5. Principal component analysis (PCA) plot of the genetic structuring among the three vendace populations. A). PC1 and PC2 explain 25.50% and 21.88% of the total variation, respectively (by allozyme markers); B). PC1 and PC2 explain 19.52% and 13.73% of the total variation, respectively (by RAPD markers).
Fig. 4 in Genetic And Morphological Variability Of Small Vendace (Coregonus Albula (Linnaeus, 1758)) Population In Three Latvian Lakes
Fig. 4. Number of RAPD loci and gene diversity of Coregonus albula in three Latvian lakes, based on RAPD markers.
Fig.3 in Genetic And Morphological Variability Of Small Vendace (Coregonus Albula (Linnaeus, 1758)) Population In Three Latvian Lakes
Fig.3. Allelic richness and polymorphism in Coregonus albula populations in studied lakes based on allozyme markers.
Figs. 13-17 in Contribution to the knowledge of the click-beetles (Coleoptera¡ Elateridae) from Kurdistan Region - Iraq, with description of three new species.
Figs. 13-17.- Habitus in total or partial view. 13.- Idotarmonides bicolor Platia & Gudenzi. 14.- Agriotes kurdistanus n. sp. 15.- Agriotes duhokensis n. sp. 16.- Cardiophorus carnosus Platia & Gudenzi. 17.- Dicronychus truncatus n. sp.
The wash zone and habitat use among three benthic fish species in stratified lakes
<p>Mixing processes in lakes are important in determining sedimentation zones and in setting the so-called "wash zone", the area of lake bottom in contact with an oscillating thermocline during wind driven internal seiche events. The wash zone also aligns with a sharp change in sediment roughness and hardness. Taken together these rapid changes in temperature and sediment indicate that the wash zone is a distinctive ecotone in stratified lakes. Depth stratified randomized netting was used to develop count-based habitat use models for three common benthic fish species as a function of depth or temperature covariates. Using data from two lakes with quite different wash zone depths, we show the wash zone to describe fish habitat for two of three benthic fish species by utilizing the top 50% of estimated fish abundance as an indicator of habitat use. White sucker (<em>Catostomus commersoni</em>) habitat use was fully within the boundaries of the wash zone. Lake whitefish (<em>Coregonus clupeaformis</em>) habitat was adjacent and within the wash zone. Longnose sucker (<em>C. catostomus</em>) habitat use was in the deep areas of lakes dominated by sediment focusing and did not overlap white sucker. Lake whitefish habitat use overlapped both catostomids, but peak abundance of both lake whitefish and white sucker overlapped pointing to potential interactions between these species. Smaller lakes have less vigorous mixing processes and a narrower wash zone, so with a decline in lake size the likely area of the wash zone as habitat for benthic feeding fish would become smaller.</p>
Рис. 1. Вероятность обнаружения меченых животных (среΑнее ± ошибка) при пяти- и Αесятиметровых интерваΛах межΑу прикормочными станциями в Αвух экспериментах. По второму эксперименту расчеты сΑеΛаны ΑΛя резуΛьтатов отΛова в течение первых трех и поΛных Αесяти Αней. Значение «p» отражает уровень статистической значимости разΛичий межΑу ΑоΛями животных с меткой при Αвух интерваΛах Fig. 1. Probability of finding marked animals (average±standard error) between feeding stations placed at intervals of five and ten meters in the two experiments. In the second experiment, calculations were made for the results of trapping during the first three days and during the whole period of ten days. The p value reflects the statistical significance of differences between the fractions of animals with a mark for two types of intervals in Verification of the bottle-based method for estimating abundance of small mammals using biomarkers
Рис. 1. Вероятность обнаружения меченых животных (среΑнее ± ошибка) при пяти- и Αесятиметровых интерваΛах межΑу прикормочными станциями в Αвух экспериментах. По второму эксперименту расчеты сΑеΛаны ΑΛя резуΛьтатов отΛова в течение первых трех и поΛных Αесяти Αней. Значение «p» отражает уровень статистической значимости разΛичий межΑу ΑоΛями животных с меткой при Αвух интерваΛах Fig. 1. Probability of finding marked animals (average±standard error) between feeding stations placed at intervals of five and ten meters in the two experiments. In the second experiment, calculations were made for the results of trapping during the first three days and during the whole period of ten days. The p value reflects the statistical significance of differences between the fractions of animals with a mark for two types of intervals
Fig. 1 in New report of the exotic species Megalurothrips usitatus (Thysanoptera: Thripidae) infesting three commercial legumes in Nayarit, Mexico
Fig. 1. (A) Adult female of Megalurothrips usitatus; (B) thrips-infested flowers of Phaseolus vulgaris; (C) common bean inflorescence infested with thrips; (D) twisted and deformed pods of cowpeas; (E) inflorescence of jicama infested by thrips; (F) brown coloration produced by thrips feeding.
Figure 8. – A in Review of Butis (Teleostei: Butidae) from Indo-Pacific islands with description of three new species
Figure 8. – A: Butis koilomatodon, BMNH 1894.1.19.35 (female, 56 mm SL), Malaysia (Photo L. Goodayle, BMNH); B: Butis koilomatodon, Timaka River, Papua New Guinea (Photo G. Allen).
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.