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1,015 results for “West Africa”
FIGURE 8 in Onuphi s and Mooreonuphis (Annelida: Onuphidae) from West Africa with the description of three new species and the reinstatement of O. landanaensis Augener, 1918
FIGURE 8. Onuphis hanneloreae sp. nov. juvenile. Scanning electron micrographs. A, anterior end, dorsal view; B, detailed view of prostomium; C, detailed view of nuchal Groove; D, anterior modified parapodia, dorsal view. b, branchia; ch, chaetiger; dc, dorsal cirrus; pol, postchaetal lobe; prl, prechaetal lobe; vc, ventral cirrus.
FIGURE 5 in Onuphi s and Mooreonuphis (Annelida: Onuphidae) from West Africa with the description of three new species and the reinstatement of O. landanaensis Augener, 1918
FIGURE 5. Onuphis augeneri sp. nov. Paratype (ZMH P 27821). Scanning electron micrographs. A, anterior end, lateral view; B, detailed view of antennostyle; C, detailed view of sensory buds of antenna; D, glandular pad of median chaetiger; E, median chaetigers, lateral view.
FIGURE 13 in Onuphi s and Mooreonuphis (Annelida: Onuphidae) from West Africa with the description of three new species and the reinstatement of O. landanaensis Augener, 1918
FIGURE 13. Onuphis landanaensis. Lectotype (ZMH V. 8674). Line drawings. A, detailed view of prostomium, antennae omitted; B – D, tridentate pseudocompound hooks from chaetiger 1; E, pectinate chaeta from chaetiger 13.
FIGURE 7 in Onuphi s and Mooreonuphis (Annelida: Onuphidae) from West Africa with the description of three new species and the reinstatement of O. landanaensis Augener, 1918
FIGURE 7. Onuphis hanneloreae sp. nov. Holotype A, B (MNCN 16.01 / 17458), paratype C, D (MNCN 16.01 / 17459). Photomicrographs. A, anterior end, dorsal view; B, detailed view of anterior end; C, anterior end, dorsal view; D, anterior end, ventral view.
FIGURE 15 in Onuphi s and Mooreonuphis (Annelida: Onuphidae) from West Africa with the description of three new species and the reinstatement of O. landanaensis Augener, 1918
FIGURE 15. Mooreonuphis nunezi sp. nov. Paratype (MNCN 16.01 / 3330). Line drawings. A, parapodium chaetiger 1, anterior view; B, parapodium chaetiger 34, anterior view; C, bidentate long-appendaged pseudocompound hook from chaetiger 1; D, tridentate long-appendaged pseudocompound hook from chaetiger 1; E, tridentate short-appendaged pseudocompound hook from chaetiger 2; F, simple large median hook from chaetiger 1; G, tridentate short-appendaged pseudocompound hook from chaetiger 5; H, compound limbate (= spiniger) from chaetiger 6; pectinate chaeta from the same; J, aciculae from chaetiger 1; K, aciculae from chaetiger 8; L, aciculae from chaetiger 14; M, maxillae.
FIGURE 12 in Onuphi s and Mooreonuphis (Annelida: Onuphidae) from West Africa with the description of three new species and the reinstatement of O. landanaensis Augener, 1918
FIGURE 12. Onuphis hanneloreae sp. nov. juvenile. Scanning electron micrographs. A, bidentate compound hook; B, median anterior provisional subacicular hook; C, ventral anterior provisional subacicular hook; D, posterior provisional subacicular hook; E, posterior parapodium showing both permanent subacicular hook (top) and provisional subacicular hook (bottom).
FIGURE 14 in Onuphi s and Mooreonuphis (Annelida: Onuphidae) from West Africa with the description of three new species and the reinstatement of O. landanaensis Augener, 1918
FIGURE 14. Mooreonuphis nunezi sp. nov. Holotype A, B (MNCN 16.01 / 3329) photomicrographs, paratype C-G (MNCN 16.01 / 17461) scanning electron micrographs. A, anterior end, lateral view; B, anterior end, dorsal view; C, pectinate chaeta from chaetiger 8; D, pectinate chaeta from chaetiger 30; E, subacicular hook from chaetiger 25; F, limbate chaetae from chaetiger 20; G, glandular pad from median chaetiger.
FIGURE 2 in cichlid species (Teleostei, Perciformes) from Guinea, West Africa
FIGURE 2. Pelvicachromis rubrolabiatus, male, aquarium specimen, not preserved, Guinea: Kolente region.
FIGURE 5. Pelvicachromis signatus, holotype. ZMA 109.959 in cichlid species (Teleostei, Perciformes) from Guinea, West Africa
FIGURE 5. Pelvicachromis signatus, holotype. ZMA 109.959, male, 72.3 mm SL; Guinea: Kolente basin, Bandi River, route Kangasili – Sougeta.
FIGURE 7 in cichlid species (Teleostei, Perciformes) from Guinea, West Africa
FIGURE 7. Pelvicachromis signatus, female, aquarium specimen, not preserved, Guinea: Kolente region.
FIGURE 3 in cichlid species (Teleostei, Perciformes) from Guinea, West Africa
FIGURE 3. Pelvicachromis rubrolabiatus, female, aquarium specimen, not preserved, Guinea: Kolente region.
FIGURE 9 in A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa
FIGURE 9. Waveforms and power spectra of EODs from Stomatorhinus walkeri (A – D), S. ater (E, F) and S. patrizii (G, H) on the same time scale as those shown in Fig. 5. EOD waveforms are centered about the largest headnegative peak, normalized to the same peaktopeak height and plotted with head positivity upward for each trace. Power spectra are normalized so that the peak energy is adjusted to 0 dB. Individual specimen numbers are indicated beneath waveforms; F = female, M = male.
FIGURE 8 in A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa
FIGURE 8. Scores from types of S. ivindoensis n. sp. and five other Stomatorhinus species on the second and third factors of a principal components analysis of the covariance matrix calculated from 24 logtransformed morphometric measures. Twelve nontype specimens of S. walkeri and one nontype of S. polli included. Variables loading most heavily on the second principal component are caudal peduncle depth, interorbital distance and internostril distance. Variables loading most heavily on the third principal component are eye diameter, postorbital head length and caudal
FIGURE 5 in A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa
FIGURE 5. EOD waveforms (left) and power spectra (right) for Stomatorhinus ivindoensis n. sp. The holotype of S. ivindoensis, a male, is shown in A and B. Peaks are numbered in order from P 0 to P 3. EOD waveforms are centered about the largest headnegative peak and plotted with head positivity upward. Power spectra are normalized so that the peak energy is adjusted to 0 dB. EODs of reproductive males (E, F) are longer in duration and have a lower peak power frequency than those of females (C, D). Individual specimen numbers are indicated beneath waveforms; F = female, M = male, H = holotype. Time base = 0.1 millisecond.
FIGURE 7 in A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa
FIGURE 7. Selected morphometric ratios of S. ivindoensis n. sp. compared to those in S. fuliginosus (A) and S. polli (B). IO = interorbital distance, HW = head width, CPD = caudal peduncle depth measured at terminus of anal fin, CPL = caudal peduncle length, E = eye diameter, HL = head length.
FIGURE 4 in A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa
FIGURE 4. Typical forest creek habitat of Stomatorhinus ivindoensis n. sp.: upper “ Balé Creek ” within the Ipassa Plateau Reserve near Makokou, Gabon.
FIGURE 3 in A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa
FIGURE 3. Collection sites of Stomatorhinus ivindoensis n. sp. (circles) and S. walkeri (triangles) in the Ivindo and Ogooué River basins of Gabon and the KouilouNiari basin of the Republic of Congo. Shaded areas delimit the boundary of the Lower Guinea ichthyofaunal province of West Central Africa.
FIGURE 2 in A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa
FIGURE 2. Photograph (A) and radiograph (B) of preserved holotype of Stomatorhinus ivindoensis n. sp., CU 85157, 43.8 mm SL, male; (C) live paratype specimen no. 1004, CU 75437, 40.8 mm SL, male; (D) preserved paratype, CU 85465, 52.2 mm SL, female.
FIGURE 1 in A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa
FIGURE 1. Drawing of Stomatorhinus ivindoensis n. sp. holotype, 43.8 mm SL. Drawn by Vera Ming Wong.
FIGURE 6 in A new Stomatorhinus (Osteoglossomorpha: Mormyridae) from the Ivindo River, Gabon, West Central Africa
FIGURE 6. Species of Stomatorhinus to which Stomatorhinus ivindoensis n. sp. is closely compared in study: (A) S. walkeri syntype BMNH 1867.5. 3.16, 85.6 mm SL; (B) S. walkeri live specimen no. 2880, CU 80237, 95 mm SL; (C) S. fuliginosus syntype MRAC 6652, 37.7 mm SL; (D) S. fuliginosus syntype MRAC 6648, 33.5 mm SL; (E) S. polli paratype MRAC 138993, 61.3 mm SL; (F) S. polli paratype MRAC 138977, 58.7 mm SL.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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.