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FIGURE 3 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 3 | Gonadosomatic Index Variation (GSI) of males (A) and females (B) and gonadal maturation stage of males (C) and females (D) of Hyphessobrycon heterorhabdus sampled between March 2019 and January 2020 in the Guamá River basin, Eastern Amazon, State of Pará, Brazil. The dashed line represents the accumulated monthly rainfall.
FIGURE 6 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 6 | Variation in the oocyte diameter of Hyphessobrycon heterorhabdus sampled between March 2019 and January 2020 in streams of the Guamá River basin, Eastern Amazon, State of Pará, Brazil (A). The dashed black line indicates the minimum diameter of the vitellogenic oocytes. Mature ovary with oocytes in different stages of maturation (B). Photomicrograph of mature (C) and spawned (D) ovary with oocytes in different stages of maturation: I, stage I oocyte; II, stage II oocyte; III, stage III oocyte; IV, stage IV oocyte; AO, atretic oocyte; POF, post ovulatory follicle.
FIGURE 2 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 2 | Sex ratio of Hyphessobrycon heterorhabdus sampled between March 2019 and January 2020 in the Guamá River basin, Eastern Amazon, State of Pará, Brazil. Asterisk represents significant differences in sex ratio and the dashed line represents the accumulated monthly rainfall.
FIGURE 4 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 4 |Variation of Condition Factor (K) for males (A) and females (B) ofHyphessobrycon heterorhabdus sampled between March 2019 and January 2020 in the Guamá River basin, Eastern Amazon, State of Pará, Brazil. The dashed line represents the accumulated monthly rainfall.
FIGURE 1 in Environmental predictors of the life history of the flag tetra Hyphessobrycon heterorhabdus (Characiformes: Characidae) in streams of the Eastern Amazon
FIGURE 1 | Location of the streams (black circles) in the Guamá River basin, Eastern Amazon, State of Pará, Brazil, where the specimens of Hyphessobrycon heterorhabdus were sampled between March 2019 and January 2020.
FIGURE 3 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 3 | Moema juanderibaensis, MNKP 16543, paratype, female, 36.1 mm SL (1 day after collection, left side), Bolivia, Santa Cruz, Santa Rosa del Sara.
FIGURE 6 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 6 | Occurrence localities of Moema species in Bolivia and surroundings. Sources: Hydrologic Units from Lehner, Grill (2013); Basemap ESRI World Topo (2022).
FIGURE 2 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 2 | Moema juanderibaensis, MNKP 16539, holotype, male, 41.9 mm SL (2 days after collection, right side), Bolivia, Santa Cruz, Santa Rosa del Sara.
FIGURE 4 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 4 | Moema juanderibaensis, MNKP 16541, paratypes, males, 41.3–46.1 mm SL (2 days after collection, left side), Bolivia, Santa Cruz, Santa Rosa del Sara.
FIGURE 1 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 1 | Moema juanderibaensis, MNKP 16539, holotype, male, 41.9 mm SL (24 days after collection, left side), Bolivia, Santa Cruz, Santa Rosa del Sara.
FIGURE 7 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 7 | Moema pepotei, CAS-SU 63604, holotype, male, 45.4 mm SL, Brazil, Rondônia, Forte Príncipe da Beira (on Bolivian border). Source: CAS Ichthyology Primary Types Imagebase.
FIGURE 5 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 5 | Schematic representation of humeral blotch and anterior portion of midlateral stripe between Hyphessobrycon cantoi (A, ZUEC 14597, paratype 32.1 mm SL, rio Amazonas basin) and H. heterorhabdus (B, INPA 41126, 27.8 mm SL, rio Curuá-Una basin).
FIGURE 3 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 3 | Map of the lower rio Tapajós and its confluence with the rio Amazonas, showing the known distribution of Hyphessobrycon cantoi (red circles indicate paratypes localities; yellow diamond indicates type locality).
FIGURE 4 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 4 | Neighbor-joining tree of Hyphessobrycon cantoi and others lineages of H. heterorhabdus speciesgroup. Red color indicating the new species. Species were delimited through GMYC, BIN and ABGD analysis. Values in brackets expressed the number variable sites that separate H. cantoi and values in branches indicate bootstrap values.
FIGURE 2 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 2 | Hyphessobrycon cantoi. Living specimen, Brazil, Pará, Santarém, stream tributary of lago Maicá (not preserved).
FIGURE 1 in A new Hyphessobrycon (Characiformes: Characidae) of the Hyphessobrycon heterorhabdus species-group from the lower Amazon basin, Brazil
FIGURE 1 | Hyphessobrycon cantoi. A. ZUEC 17228, holotype, 30.2 mm SL, female, Brazil, Pará, Santarém, Alter do Chão, stream tributary of Lago Verde, rio Tapajós basin. B. ZUEC 14597, paratype, 32.1 mm SL, female, Brazil, Pará, Santarém, Mararu, igarapé do Diamantino, rio Amazonas basin.
FIGURE 5 in A new species of the seasonal killifish genus Moema (Cyprinodontiformes: Rivulidae) from the Piraí watershed in the Southwest Amazon basin
FIGURE 5 | Moema juanderibaensis, MNKP 16541, paratype, male, 46.1 mm SL, Bolivia, Santa Cruz, Santa Rosa del Sara. Detail of infraorbital, preopercular and mandibular neuromast series.
FIGURE 13 in A new species of Corydoras (Siluriformes: Callichthyidae) from the rio Madre de Dios basin, Peruvian Amazon, with comments on Corydoras aeneus identity
FIGURE 13 | Type specimens of Corydoras aeneus, showing the lectotype (A, USNM 1116) and paralectotypes (B, C, USNM 205649 and USNM 92819, respectively) of Hoplosoma aeneum. Red arrows in C indicates the area affected by a malformation on predorsal region of body. Photographs by Sandra Raredon. Scale bar = 1 mm.
FIGURE 12 in A new species of Corydoras (Siluriformes: Callichthyidae) from the rio Madre de Dios basin, Peruvian Amazon, with comments on Corydoras aeneus identity
FIGURE 12 | Uncatalogued specimens (not measured) of (A) Corydoras hephaestus and (B) C. melanotaenia photographed alive in lateral view, showing general color and morphological patterns. Photograph (A) by Fernando Dagosta and (B) by Robert McLure.
FIGURE 11 in A new species of Corydoras (Siluriformes: Callichthyidae) from the rio Madre de Dios basin, Peruvian Amazon, with comments on Corydoras aeneus identity
FIGURE 11 | Ontogenetic series of Corydoras maclurei (bred under aquarium conditions) showing general changes in external morphology and color pattern in specimens with 8.0 mm TL (A), 12.0 mm TL (B), 16.0 mm TL (C), 21.0 mm TL (D), and 28.0 mm TL (E).
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.