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Fig. 3 in Food resources used by three species of fish in the semi-arid region of Brazil
Fig. 3. Percentage composition of main food items to the diet of Astyanax aff. bimaculatus. Number of stomachs used (>20% fullness) is shown above each column.
Fig. 2 in Food resources used by three species of fish in the semi-arid region of Brazil
Fig. 2. DCA plot for food items found in the diet of Astyanax aff. bimaculatus, in aquatic habitats of the Brazilian semi-arid region. v = Seridó/Borborema and Δ = Buíque/Vale do Ipojuca. Codes represent sampling sites (Table 1) and sampling occasions (1 - April, 2 - June, 3 - October, and 4 - December).
Fig. 1 in Food resources used by three species of fish in the semi-arid region of Brazil
Fig. 1. Study areas showing Seridó/Borborema - RN/PB and Buíque/Vale do Ipojuca - PE. Towns and cities are denoted by squares. Study sites are: 1 - Seridó River, 2 - Cipó stream, 3 - Recanto Reservoir, 4 - Escama-Peixe stream, 5 - Mulungú Reservoir, and 6 - Gurjão Reservoir.
Fig. 3 in Reproductive tactics used by the Lambari Astyanax aff. fasciatus in three water supply reservoirs in the same geographic region of the upper Iguaçu River
Fig. 3. Histological slides of partially spawned ovary of Astyanax aff. fasciatus of Passaúna and Piraquara reservoirs, HE staining. Post ovulatory follicles (arrow). Scale bar = 80 µm.
Fig. 4 in Reproductive tactics used by the Lambari Astyanax aff. fasciatus in three water supply reservoirs in the same geographic region of the upper Iguaçu River
Fig. 4. Monthly distribution of the total (K) and somatic (K') condition factors of Astyanax aff. fasciatus in Iraí (a), Passaúna (b), and Piraquara (c) reservoirs. K = continuous line, K' = dotted line.
Fig. 2 in Reproductive tactics used by the Lambari Astyanax aff. fasciatus in three water supply reservoirs in the same geographic region of the upper Iguaçu River
Fig. 2. Maturation curve and monthly distribution of the percentage frequency of the stages of ovarian development of Astyanax aff. fasciatus females in the Iraí (a), Passaúna (b), and Piraquara (c) reservoirs. The numbers indicated above the bars refer to absolute frequency and the letters indicated gonadal development: B = maturation, C = mature, SD = partially spawned, and D = spawned.
Fig. 5 in Reproductive tactics used by the Lambari Astyanax aff. fasciatus in three water supply reservoirs in the same geographic region of the upper Iguaçu River
Fig. 5. Distribution of the percentage frequency in length classes of Astyanax aff. fasciatus individuals of Iraí, Passaúna and Piraquara reservoirs.
Fig. 1 in Reproductive tactics used by the Lambari Astyanax aff. fasciatus in three water supply reservoirs in the same geographic region of the upper Iguaçu River
Fig. 1. Location of Iraí (A), Passaúna (B), and Piraquara (C) reservoirs in the region of the upper Iguaçu River basin, Paraná State, Brazil.
Fig. 6 in Patterns of energy allocation to reproduction in three Amazonian fish species
Fig. 6. Variation of CFI - cavity fat index (a), GSI - gonadosomatic index (b), muscle energy (c) and gonadal energy (f), by gonadal development; CFI (d) and GSI (e) by hydrological cycle (July/2004 - June/2005) of Pygocentrus nattereri.
Fig. 2 in Patterns of energy allocation to reproduction in three Amazonian fish species
Fig. 2. Fluctuation of monthly average water level of the Negro River during the period of July 2004/ June 2005, showing the four phases of the hydrological cycle. Source: Bittencourt & Amadio (2007).
Fig. 3 in Patterns of energy allocation to reproduction in three Amazonian fish species
Fig. 3. Variation of CFI - cavity fat index (a), GSI - gonadosomatic index (b), muscle energy (c) and gonadal energy (f), by gonadal development; CFI (d) and GSI (e) by hydrological cycle (July/2004 - June/2005) of Acestrorhynchus falcirostris.
Fig. 5 in Patterns of energy allocation to reproduction in three Amazonian fish species
Fig. 5. Variation of CFI - cavity fat index (a), GSI - gonadosomatic index (b), muscle energy (c) and gonadal energy (f), by gonadal development; CFI (d) and GSI (e) by hydrological cycle (July/2004 - June/2005) of Hoplosternum littorale.
Fig. 5. Pimelodus halisodous, UNT 3438, 98.9 in Three new Pimelodus species (Siluriformes: Pimelodidae) from the rio Tocantins drainage, Brazil
Fig. 5. Pimelodus halisodous, UNT 3438, 98.9 mm SL. Ventral view of left side of Weberian complex, basioccipital region and upper shoulder girdle. AO = aortic groove; CL-r = "cleithral ring"; TP4-6 = transverse process of vertebrae 4 to 6; V6-7 = vertebrae 6 and 7. Scale bar = 1 mm.
Fig. 3 in Three new Pimelodus species (Siluriformes: Pimelodidae) from the rio Tocantins drainage, Brazil
Fig. 3. Pimelodus halisodous, holotype, MCP 41738, 108.8 mm SL, rio Paranã, rio Tocantins drainage, Brazil.
Fig. 1 in Three new Pimelodus species (Siluriformes: Pimelodidae) from the rio Tocantins drainage, Brazil
Fig. 1. Pimelodus stewarti, holotype, MCP 41737, 54.1 mm SL, rio Paranã, rio Tocantins drainage, Brazil.
Fig. 2 in Three new Pimelodus species (Siluriformes: Pimelodidae) from the rio Tocantins drainage, Brazil
Fig. 2. Rio Tocantins drainage showing the collection localities of Pimelodus stewarti (triangles, 1), P. halisodous (squares, 2), and P. joannis (circles, 3). Numbers represent type-localities. Some symbols represent more than one lot or locality.
Fig. 2 in Three new species of the armored catfish genus Loricaria (Siluriformes: Loricariidae) from river channels of the Amazon basin
Fig. 2. Loricaria spinulifera, paratype, ANSP 178690 (123.0 mm SL), rio Negro (Amazonas dr.), 11.3 km downstream from Santa Maria, 18.6 km upstream from Leprosário, Amazonas, Brazil.
Fig. 4 in Three new species of the armored catfish genus Loricaria (Siluriformes: Loricariidae) from river channels of the Amazon basin
Fig. 4. Variation in abdominal plate development and configuration in Loricaria. a. L. pumila; b. L. spinulifera; c. L. lundbergi; d. L. simillima.
Fig. 1 in Three new species of the armored catfish genus Loricaria (Siluriformes: Loricariidae) from river channels of the Amazon basin
Fig. 1. Diagrammatic representation of measurements used in morphometric analyses, as described in Material and Methods.
Fig. 8 in Three new species of the armored catfish genus Loricaria (Siluriformes: Loricariidae) from river channels of the Amazon basin
Fig. 8. Loricaria lundbergi, paratype, AMNH 74474 (138.1 mm SL) rio Mawarinuma (Baria-Negro dr.), at Neblina base camp, Amazonas, Venezuela.
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.