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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).
FIGURE 3 in Reptile species composition in the Middle Gurguéia and comparison with inventories in the eastern Parnaíba River Basin, State of Piauí, Brazil
FIGURE 3: Dendrogram for similarity of lizard species composition in the Middle Gurguéia (MG) with previously studied areas in Piauí. The rule bar shows the Jaccard coefficient. BR: Barras, BT: Batalha, MG: Middle Gurguéia, PC: Picos, UU: Estação Ecológica do Uruçuí-Una, CA: Parque Nacional Serra da Capivara, CO: Parque Nacional Serra das Confusões. Castelo do Piauí (CP) and Parque Nacional Sete cidades (7C) were not included in this analysis.
FIGURE 4 in Reptile species composition in the Middle Gurguéia and comparison with inventories in the eastern Parnaíba River Basin, State of Piauí, Brazil
FIGURE 4: Dendrogram for similarity of snake species compositions in the Middle Gurguéia (MG) with other previously studied areas in Piauí. The rule bar shows the Jaccard coefficient. PC: Picos, CA: Parque Nacional Serra da Capivara, BR: Barras, BT: Batalha, CO: Parque Nacional Serra das Confusões, UU: Estação Ecológica do Uruçuí-Una, CP: Castelo do Piauí, 7C: Parque Nacional Sete Cidades.
FIGURE 1 in Reptile species composition in the Middle Gurguéia and comparison with inventories in the eastern Parnaíba River Basin, State of Piauí, Brazil
FIGURE 1: Study areas in the Middle Gurguéia and previously studied areas. (A): northeastern Brazil: Piauí (PI), Bahia (BA) and Maranhão (MA). Black dots show the locations where other studies were conducted: Barras (BR), Batalha (BT), Parque Nacional Sete Cidades (7C), Castelo do Piauí (CP), Picos (PC), Parque Nacional Serra da Capivara (CA), Parque Nacional Serra das Confusões (CO) and Estação Ecológica do Uruçuí-Una (UU); (B): The five municipalities in this study in the Middle Gurguéia (MG), Gurguéia River Basin, southeastern Piauí: 1: Alvorada do Gurguéia (AG), 2: Palmeira do Piauí (PP), 3: Cristino Castro (CC), 4: Bom Jesus (BJ) and 5: Redenção do Gurguéia (RG).
Fig. 6 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 6. Leporinus melanopleurodes: (a) holotype, MZUSP 100987, 99.4 mm SL, rio das Almas; (b) paratype, MZUSP 111242, 83.3 mm SL, rio Jiquiriçá; (c) paratype, MCP 36965, 128.7 mm SL, rio Jiquiriçá. Scale bars = 10 mm.
Fig. 13 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 13. Rio Gongogi, tributary of rio de Contas, Bahia, Itajibáat 14°21'16.5"S 39°46'23.9"W, type locality of Leporinus brinco.
Fig. 10 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 10. Leporinus brinco: (a) holotype, MZUSP 105166, 128.5, rio Gongogi, tributary of rio de Contas; (b) paratype, UFBA 4843, 174.9 mm SL, rio de Contas; (c) paratype, MZUSP 102526, 44.3 mm SL, rio Gavião, tributary of rio de Contas; (d) paratype, MZUSP 102552, 28.8 mm SL, rio Gongogi, tributary of rio de Contas. Scale bars = 10 mm.
Fig. 9 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 9. Rio das Almas, Bahia, Nilo Peçanha, at 13°36'27.8"S 39°8'38.8"W, type locality of Leporinus melanopleurodes.
Fig. 1 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 1. Leporinus melanopleura: (a) lectotype, BMNH 1863.3.27.6, 91.2 mm SL, "Bahia"; (b) paralectotype, BMNH 1863.3.27.7, 104.3 mm SL, "Bahia"; (c) MZUSP 111246, 90.9 mm SL, rio Una; (d) MZUSP 111246, 27.3 mm SL, rio Una; (e) MCP 17712, 18.4 mm SL, rio Branco, tributary of rio Una. Scale bars = 10 mm.
Fig. 5 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 5. Leporinus taeniatus: (a) paralectotype of Leporinus melanopleura, BMNH 1861.5.16.14, 102.6 mm SL, rio Cipó, tributary of rio das Velhas, rio São Francisco basin; (b) MZUSP 47459, 96.5 mm SL, rio Verde, tributary of rio São Francisco. Scale bars = 10 mm.
Fig. 3 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 3. Scanning electron image of the upper and lower jaws of Leporinus melanopleura in lateral view, MZUSP 100986, 57.6 mmSL.
Fig. 12 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 12. Image of the upper and lower jaws, in lateral view, of Leporinus brinco, in lateral view, MZUSP 110617, paratype, 139.0 mmSL.
Fig. 8 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 8. Scanning electron image of the upper and lower jaws of Leporinus melanopleurodes, in lateral view, MZUSP 109769, 89.5 mmSL.
Fig. 11 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 11. Leporinus brinco, paratype, MZUSP 111257, 74.4 mm SL, rio Gongogi, tributary of rio de Contas, photographed live. Scale bar = 10 mm.
Fig. 7 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 7. Leporinus melanopleurodes: (a) paratype, MZUSP 111242, 87.4 mm SL, rio das Almas, (b) paratype, MZUSP 111227, 99.2 mm SL, rio Jiquiriçá [specimen lacking adipose fin], photographed live. Scale bars = 10 mm.
Fig. 4 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 4. Distribution of Leporinus melanopleura (triangles), L. melanopleurodes (square), and L. brinco (circles); type localities indicates by white symbols. River basins: (1) rio Jequitinhonha, (2) rio Pardo, (3) rio Una, (4) rio de Contas, (5) rio das Almas, (6) rio Jiquiriçá, (7) rio Paraguaçu, (8) rio Itapecuru, and (9) rio São Francisco.
Fig. 2 in Two new species of Leporinus Agassiz (Characiformes: Anostomidae) from eastern basins of Brazil, and redescription of L. melanopleura Günther
Fig. 2. Leporinus melanopleura: (a) MZUSP 111246, 27.3 mm SL, rio Una, (b) MZUSP 111246, 90.9 mm SL, rio Una; both photographed live. Scale bars = 10 mm.
Fig. 5 in Application of the physical habitat simulation for fish species to assess environmental flows in an Atlantic Forest Stream in South-eastern Brazil
Fig. 5. Average habitat suitability index –HSI– in the upper and lower reach of the riacho São Pedro, for the three fish species.
Fig. 6 in Application of the physical habitat simulation for fish species to assess environmental flows in an Atlantic Forest Stream in South-eastern Brazil
Fig. 6. Weighted usable area (WUA) in the upper and lower reach of the riacho São Pedro, for the three fish species.
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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.