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226 results for “Amazon region”
FIGURE 10. Stenochironomus triannulatus Borkent, 1984, larva. A in Two new species and records of Stenochironomus Kieffer from Brazilian Amazon region, with description of immature stages (Diptera: Chironomidae)
FIGURE 10. Stenochironomus triannulatus Borkent, 1984, larva. A—antenna, B—mandible, C—mentum and paralabial plate, D—labiohypopharynx, D—labrum.
FIGURE 8. Stenochironomus reissi Borkent, 1984, larva. A in Two new species and records of Stenochironomus Kieffer from Brazilian Amazon region, with description of immature stages (Diptera: Chironomidae)
FIGURE 8. Stenochironomus reissi Borkent, 1984, larva. A—antenna, B—mandible, C—mentum and paralabial plate, Dlabiohypopharynx,
FIGURE 4 in Two new species and records of Stenochironomus Kieffer from Brazilian Amazon region, with description of immature stages (Diptera: Chironomidae)
FIGURE 4. Stenochironomus messias sp. n., adult male. A—hypopygium in dorsal view; B—hypopygium with tergite IX removed.
FIGURE 9. Stenochironomus triannulatus Borkent, 1984, pupa. A in Two new species and records of Stenochironomus Kieffer from Brazilian Amazon region, with description of immature stages (Diptera: Chironomidae)
FIGURE 9. Stenochironomus triannulatus Borkent, 1984, pupa. A—frontal apotome, B—abdomen: tergites I–IX, Ccephalothorax, D—spur on T VIII. E—basal ring of thoracic horn.
FIGURE 3 in Two new species and records of Stenochironomus Kieffer from Brazilian Amazon region, with description of immature stages (Diptera: Chironomidae)
FIGURE 3. Stenochironomus oliveirai sp. n., larva. A—antenna, B—mandible, C—mentum and paralabial plate, Dlabiohypopharynx.
FIGURE 2 in Two new species and records of Stenochironomus Kieffer from Brazilian Amazon region, with description of immature stages (Diptera: Chironomidae)
FIGURE 2. Stenochironomus oliveirai sp. n., pupa. A—frontal apotome with frontal warts, B—abdomen: tergites I–IX, Ccephalothorax, D—spur on TVIII.
FIGURE 5 in Two new species and records of Stenochironomus Kieffer from Brazilian Amazon region, with description of immature stages (Diptera: Chironomidae)
FIGURE 5. Stenochironomus messias sp. n., pupa. A—frontal apotome, B—abdomen: tergites I–IX, C—spur on TVIII.
FIGURE 7. Stenochironomus reissi Borkent, 1984, pupa. A in Two new species and records of Stenochironomus Kieffer from Brazilian Amazon region, with description of immature stages (Diptera: Chironomidae)
FIGURE 7. Stenochironomus reissi Borkent, 1984, pupa. A—frontal apotome, B—abdomen: tergites I–IX, C—cephalothorax, D—spur on T VIII. E—basal ring of thoracic horn.
FIGURE 1 in Two new species and records of Stenochironomus Kieffer from Brazilian Amazon region, with description of immature stages (Diptera: Chironomidae)
FIGURE 1. Stenochironomus oliveirai sp. n. Adult male: A—head, B—cibarial pump, tentorial and stipes C—thorax, Dwing E—hypopygium with anal point and tergite IX and dorsal aspect of left gonocoxite and gonostylus F—hypopygium with anal point and tergite IX removed.
FIGURE 2. A–C, Microthelphusa furcifer n in A new species of freshwater crab of the genus Microthelphusa Pretzmann, 1968 (Crustacea: Brachyura: Pseudothelphusidae) from the Amazon region of Guyana
FIGURE 2. A–C, Microthelphusa furcifer n. sp., male holotype cl 16.01, cw 25.03 mm (MZUSP 32309). D–F, Microthelphusa meansi Cumberlidge, 2007, male holotype cl 13.5 mm cw 22.5 mm (USNM 1098372). A–F, left first gonopod: A–D, caudal view; B–E, detail of distal part, lateral view; C–F, detail of distal part, cephalic view. Abbreviations: ap, apical plate; cl, caudal lobe; cpl, cephalic lobe; fas, field of apical spines; ml, marginal lobe; mp, mesial process; ms, marginal suture; smc, semicircular process. Scale bars 1 mm.
FIGURE 1. A–E, Microthelphusa furcifer n in A new species of freshwater crab of the genus Microthelphusa Pretzmann, 1968 (Crustacea: Brachyura: Pseudothelphusidae) from the Amazon region of Guyana
FIGURE 1. A–E, Microthelphusa furcifer n. sp., male paratype (MZUSP 24494). A, body, dorsal view. B, ventral view of cephalothorax. C, frontal view of cephalothorax. D, lateral view of the chela of the right cheliped chela. E, lateral view of the left cheliped chela. CxP4, coxa of pereopod 4. G1, first gonopod. G2, second gonopod. P, penis. St4-8, thoracic sternites 4 to 8. Scale bars A, 10 mm; B, E 5.5 mm; C, 5 mm; D, 7 mm.
FIGURE 3. A–D, Microthelphusa furcifer n in A new species of freshwater crab of the genus Microthelphusa Pretzmann, 1968 (Crustacea: Brachyura: Pseudothelphusidae) from the Amazon region of Guyana
FIGURE 3. A–D, Microthelphusa furcifer n. sp., male holotype cl 16.01, cw 25.03 mm (MZUSP 32309). Left first gonopod: A, caudal view; B, detail of distal part, lateral view; C, detail of distal part, mesial view. D, detail of distal part, cephalic view. Scale bar 1 mm.
FIGURE 9 in A new species of poison-dart frog (Anura: Dendrobatidae) from Manu province, Amazon region of southeastern Peru, with notes on its natural history, bioacoustics, phylogenetics, and recommended conservation status
FIGURE 9. Currently known distribution of Ameerega shihuemoy (orange circles). The main natural protected areas in the Madre de Dios region are shown in green. Amarakaeri Communal Reserve covers an area of 402.335,62 ha; A. shihuemoy has been found at six localities inside this reserve.
FIGURE 10. A in A new species of poison-dart frog (Anura: Dendrobatidae) from Manu province, Amazon region of southeastern Peru, with notes on its natural history, bioacoustics, phylogenetics, and recommended conservation status
FIGURE 10. A, dorsal, and B, ventral view of the body; C, lateral view of head; and D, ventral view of the hand, of the adult holotype CBF 3900 of Ameerega yungicola. Scale on every picture. Photos by Daniela Rössler.
FIGURE 6 in A new species of poison-dart frog (Anura: Dendrobatidae) from Manu province, Amazon region of southeastern Peru, with notes on its natural history, bioacoustics, phylogenetics, and recommended conservation status
FIGURE 6. Tadpole of Ameerega shihuemoy at Gosner stage 25: (A) dorsal, (B) ventral, (C) lateral, (D) Oral disc at Gosner stage 41, (E) Free-living tadpole at Gosner stage 25. Photos by S. J. Serrano.
FIGURE 5 in A new species of poison-dart frog (Anura: Dendrobatidae) from Manu province, Amazon region of southeastern Peru, with notes on its natural history, bioacoustics, phylogenetics, and recommended conservation status
FIGURE 5. Spectrograms of advertisement calls of morphologically similar species of Ameerega. A) A. shihuemoy, recorded at Manu Learning Centre, Madre de Dios, Peru 12 June 2014 (temperature not noted). B) A. boliviana, recorded from Correo- Apolo, La Paz, Bolivia. C) A. simulans recorded from Marcapata, Cusco, Peru. D) A. picta recorded from Madidi National Park, Bolivia. E) A. yungicola recorded from Caranavi, Yungas, Bolivia. F) A. hahneli, recorded from Shintuya, Madre de Dios, Peru. G) A. macero, recorded at Manu Learning Centre, Madre de Dios, Peru.
FIGURE 2. A in A new species of poison-dart frog (Anura: Dendrobatidae) from Manu province, Amazon region of southeastern Peru, with notes on its natural history, bioacoustics, phylogenetics, and recommended conservation status
FIGURE 2. A, dorsal; B, and ventral views of the body of the subadult female paratype MHNC 14561 (SVL = 20.7 mm); C, dorsal; D, and ventral views of the body of the subadult male paratype MHNC 4779 (SVL = 17.4 mm); E, adult male carrying tadpoles; F, adult male paratype MHNC 15863. Photos by J.C. Chaparro (A-D), R. Coronel (E), R. Santa Cruz (F).
FIGURE 4 in A new species of poison-dart frog (Anura: Dendrobatidae) from Manu province, Amazon region of southeastern Peru, with notes on its natural history, bioacoustics, phylogenetics, and recommended conservation status
FIGURE 4. Box plots representing the median (black horizontal line), interquartile range (box), range (whiskers) and outside values (circles) of call parameters comparison among Ameerega shihuemoy, A. boliviana, A. hahneli, A. picta, A. simulans and A. yungicola where: a) note duration (ms), b) calling rate, c) fundamental frequency (Hz) and d) dominant frequency (Hz).
FIGURE 3 in A new species of poison-dart frog (Anura: Dendrobatidae) from Manu province, Amazon region of southeastern Peru, with notes on its natural history, bioacoustics, phylogenetics, and recommended conservation status
FIGURE 3. Color patterns of Ameerega shihuemoy from tadpole to adult MUSM 31692. Photos by Marcus Brent-Smith.
FIGURE 1. A in A new species of poison-dart frog (Anura: Dendrobatidae) from Manu province, Amazon region of southeastern Peru, with notes on its natural history, bioacoustics, phylogenetics, and recommended conservation status
FIGURE 1. A, dorsal, and B, ventral view of the body; C, lateral view of head; D, and tympanum under skin; E, mouth showing choanae details; F, ventral view of the hand; G, and foot, of the adult female holotype MHNC 15488 (SVL = 25.7 mm) of Ameerega shihuemoy sp. nov. Scale on every picture. Photos by J.C. Chaparro.
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.