Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
152
datasets available to search
ShareScore release 0.9.0
Dataset results
152 results for “Serrasalmidae”
Fig 2 in Colossoma macropomum (Characiformes: Serrasalmidae) adapted to new climate regime: differential gene expression from farmed tambaqui juveniles raised in subtropical and tropical regions
Fig 2: Heatmap of relative expression in Balbina (BA) and Brumado (BRU) populations. The colour scale ranges from blue (low transcript levels) to red (high transcript levels).
Fig. 1. Tometes camunani, MPEG 23447 in Tometes camunani (Characiformes: Serrasalmidae), a new species of phytophagous fish from the Guiana Shield, rio Trombetas basin, Brazil
Fig. 1. Tometes camunani, MPEG 23447, holotype, mature male, 224.3 mm SL; Brazil, Pará, Oriximiná, Trombetas basin, rio Erepecuru, upstream of Cachoeira do Chuvisco.
Fig. 3. Tometes camunani, INPA 3637 in Tometes camunani (Characiformes: Serrasalmidae), a new species of phytophagous fish from the Guiana Shield, rio Trombetas basin, Brazil
Fig. 3. Tometes camunani, INPA 3637, juvenile, 44.7 mm SL; Brazil, Pará, Oriximiná, rio Trombetas, Cachoeira Porteira.
Fig. 5 in Tometes camunani (Characiformes: Serrasalmidae), a new species of phytophagous fish from the Guiana Shield, rio Trombetas basin, Brazil
Fig. 5. Typical habitat of Tometes camunani, rapids and waterfalls in rio Trombetas basin, Pará, Brazil. Rocks are covered with Podostemaceae, rheophilic aquatic plants typical of the diet of species of Tometes (Photo by D. Bastos, 2008).
Fig. 2. Tometes camunani, MPEG 23448, 382 in Tometes camunani (Characiformes: Serrasalmidae), a new species of phytophagous fish from the Guiana Shield, rio Trombetas basin, Brazil
Fig. 2. Tometes camunani, MPEG 23448, 382 mm SL. a, lingual view of left dentary. b, lateral view of the neurocranium. c-e, ventral, labial and lingual views of the left premaxilla (1-5: teeth in labial row; 1'-2': teeth in lingual row). ap = ascending process of premaxilla; bas = basioccipital; fr = frontal; let = lateral ethmoid wing; lm = lamellae at symphysis; lp = lateral process of premaxilla; mt = mesethmoid; nc = neural complex; oph = orbitosphenoid; pa = parietal; pas = parasphenoid; pro = prootic; ptc = pterotic; su = supraoccipital; so = supraorbital; sph = sphenotic; sy = position of symphyseal tooth; tp = transversal process; tr = replacement teeth trenches. Scale bar: 10 mm.
Fig. 4 in Tometes camunani (Characiformes: Serrasalmidae), a new species of phytophagous fish from the Guiana Shield, rio Trombetas basin, Brazil
Fig. 4. Map of upper rio Trombetas basin and adjoining areas, showing the distribution of Tometes camunani. Star indicates type locality.
Figure 5 in Red-bellied Piranha Pygocentrus nattereri Kner, 1858 (Characiformes: Serrasalmidae) in open waters in R. Macedonia
Figure 5. Gas bladder of P. nattereri from Dojran Lake. Abbreviations are given in material and methods.
Figure 3 in Red-bellied Piranha Pygocentrus nattereri Kner, 1858 (Characiformes: Serrasalmidae) in open waters in R. Macedonia
Figure 3. Red pigmentation of the anterior and posterior part of the orbit in P. nattereri from Dojran Lake.
Figure 2 in Red-bellied Piranha Pygocentrus nattereri Kner, 1858 (Characiformes: Serrasalmidae) in open waters in R. Macedonia
Figure 2. Morphometric measurements of P. nattereri. Abbreviations are given in material and methods. Length of pelvic fin was not possible to be marked in the photograph.
FIGURE 5 in Integrative taxonomy reveals a new species of pacu (Characiformes: Serrasalmidae: Myloplus) from the Brazilian Amazon
FIGURE 5 | Map of northern South America, showing the distribution of Myloplus nigrolineatus. Black star represent the type locality, black circles the paratypes, yellow the non-types localities, and the gray represents the locality of exemplars used exclusively in the molecular analyses (without voucher in museums).
FIGURE 2 in Integrative taxonomy reveals a new species of pacu (Characiformes: Serrasalmidae: Myloplus) from the Brazilian Amazon
FIGURE 2 | Osteology of the head of Myloplus nigrolineatus, INPA 53281, 180.3 mm SL, Manaus, rio Negro nearby Manaus: A. lateral view; B. dorsal view. afo, anterior fontanel; epi, epiotic; eth, lateral ethmoid; fro, frontal; int, interopercle; io, infraorbitals; max, maxillary; mth, mesethmoid; nas, nasal; neu, neural; ope, opercle; oph, orbitosphenoid; par, parietal; pfo, posterior fontanel; pmx, premaxillary; pre, preopercle; psh, parasphenoid; ptr, pterotic; pts, pterosphenoid; qu, quadrate; so, supraorbital; sub, subopercle; sup, supraoccipital; vom, vomer.
FIGURE 1 in Integrative taxonomy reveals a new species of pacu (Characiformes: Serrasalmidae: Myloplus) from the Brazilian Amazon
FIGURE 1 | Myloplus nigrolineatus, INPA 54773, holotype, 221.9 mm SL, male, lago Tracajá, tributary of rio Juma, ca. 60 km south of Manaus, Amazonas State, Brazil.
FIGURE 4 in Integrative taxonomy reveals a new species of pacu (Characiformes: Serrasalmidae: Myloplus) from the Brazilian Amazon
FIGURE 4 | Freshly collected Myloplus nigrolineatus with different color patterns. A. INPA 23312, 182.0 mm SL, female, lago Mabi, São Gabriel da Cachoeira, Amazonas; B. INPA 53281, 170.7–180.3 mm SL, female, rio Negro nearby Manaus, Amazonas; C. INPA 23446, 160.0 mm SL, male, tissue voucher CTGA 15401, Tapajós Itaituba, Pará; D. INPA 46279, 172.3 mm SL, male, tissue voucher CTGA 12201 (GenBank accession MG752197), rio Branco, boundary between Caracaraí and Rorainópolis, Roraima; E. INPA 58772, 189.3 mm SL, male, rio Purus, Tapauá, Amazonas; F. INPA 52505, 186.4 mm SL, male, tissue voucher CTGA 12329 (MG752209), rio Negro nearby Barcelos, Amazonas.
Fig. 3 in Diet shift of Red Belly Pacu Piaractus brachypomus (Cuvier, 1818) (Characiformes: Serrasalmidae), a Neotropical fish, in the Sepik-Ramu River Basin, Papua New Guinea
Fig. 3. Bray Curtis (Polar) ordination of arcsine-square root transformed volumetric proportions of food categories. Abbreviations: AP, aquatic plants; AI, aquatic invertebrates; Fi, fish remains; TP, terrestrial plants; TI, terrestrial invertebrates. Other includes: mammals, arthropods, plant material of unknown origin, and debris (Sepik); detritus (Tarapoto); gravel (Caquetá FW). Site abbreviations follow those in Fig. 2.
Fig. 2 in Diet shift of Red Belly Pacu Piaractus brachypomus (Cuvier, 1818) (Characiformes: Serrasalmidae), a Neotropical fish, in the Sepik-Ramu River Basin, Papua New Guinea
Fig. 2. Comparison of the relative contribution of food categories to the diet (% volume) of Piaractus brachypomus of introduced (Sepik River) and natural populations (Colombia: Tarapoto Lake and Caquetá River; Brazil: Tocantins River and Tucuruí Reservoir; Venezuela: Caura River). Food items included in each category are listed in Table 1. Category "Other" includes: mammals, arthropods, plant material of unknown origin, and debris (Sepik); detritus (Tarapoto); gravel (Caquetá FW). Abbreviations: FW, falling water season, LW, low water season; RW, rising water season; DS, downstream from reservoir; RS, reservoir.
Fig. 1 in Diet shift of Red Belly Pacu Piaractus brachypomus (Cuvier, 1818) (Characiformes: Serrasalmidae), a Neotropical fish, in the Sepik-Ramu River Basin, Papua New Guinea
Fig. 1. Map of sampling site and locations of comparative studies. Circles represent sites in the Amazon Basin (Colombia: Tarapoto Lake and Caquetá River; Brazil: Tocantins River). The triangle represents a site in the Orinoco Basin (Venezuela: Caura River). The star represents the sampling site at the lower Sepik River, Papua New Guinea (PNG).
FIGURE 4 in Age-associated hemogram and ultrastructural leukocyte morphology in Pygocentrus nattereri (Characiformes: Serrasalmidae) from the Brazilian Pantanal
FIGURE 4 | Eosinophil and basophil in Pygocentrus nattereri from Brazilian Pantanal in May Grunwald-Giemsa-Wright staining. A. eosinophil showing irregular nucleus, loose chromatin and specific cytoplasmic granules. B. basophil surrounded by erythrocytes presenting cytoplasm filled with basophilic granulations. Scale bars = 10 µm.
FIGURE 1 in Age-associated hemogram and ultrastructural leukocyte morphology in Pygocentrus nattereri (Characiformes: Serrasalmidae) from the Brazilian Pantanal
FIGURE 1 | Curve fitting between standard-length (cm) and weight (g) in Pygocentrus nattereri. Age cut off (16 cm) was applied according to Lowe-McConnell (1964).
FIGURE 3 in Age-associated hemogram and ultrastructural leukocyte morphology in Pygocentrus nattereri (Characiformes: Serrasalmidae) from the Brazilian Pantanal
FIGURE 3 | Neutrophil and PAS-positive granular leukocytes in Pygocentrus nattereri from Brazilian Pantanal in light (A and D) and transmission electronic microscopy (B, C, E, F). A–C. Neutrophil with a lumpy nucleus and cytoplasmic vacuoles showing fine azurophilic and neutrophilic granulations. B. Mitochondria (m) and an extensive network of cell synthesis organelles are also observed; nucleus (n); C, vacuoles (v) and granules with varying size and electron density are observed. D–F. PAS-positive granular leukocyte with a displaced euchromatic nucleus; cytoplasm rich in small vacuoles and azurophilic granulation. In E and F, the granules content electrolytic material is observed (g), possibly with internal electrodense areas in an elongated half-moon shape (arrows). Scale bars = A and D = 10 µm (May Grunwald-Giemsa-Wright staining), B and E = 2 µm; C and F = 500 nm.
FIGURE 2 in Age-associated hemogram and ultrastructural leukocyte morphology in Pygocentrus nattereri (Characiformes: Serrasalmidae) from the Brazilian Pantanal
FIGURE 2 | Erythrocytes, thrombocytes and lymphocyte in Pygocentrus nattereri from Brazilian Pantanal in light (A, B, C) and transmission electronic microscopy (D, E, F). A and D. Thrombocytes of elongated shape and scarce cytoplasm rich in canalicular system (arrow). B and E, monocytes of irregular shape, chamfered nucleus, abundant cytoplasm mitochondria (m), vacuoles (v), glycogen granules (g), Golgi apparatus (G), and free ribosomes (r) are also observed. C and F. Small lymphocyte with numerous projections, a large nucleus, and scarce cytoplasm with few mitochondria and organelles. ABC. May Grunwald-Giemsa-Wright stain. Scale bars = A–C = 10 µm; D–F = 2 µm.
ScienceDex guides
Understand access before you commit
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.