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6,771 results for “freshwater”
FIGURE 14 in Gastrotricha from the Poznań Palm House—one new subgenus and three new species of freshwater Chaetonotida (Gastrotricha)
FIGURE 14. Chaetonotus (Chaetonotus) eximius sp. nov.—holotype. Habitus. Measurement in micrometers.
FIGURE 19 in Gastrotricha from the Poznań Palm House—one new subgenus and three new species of freshwater Chaetonotida (Gastrotricha)
FIGURE 19. Chaetonotus (Chaetonotus) pravus sp. nov.—two types of dorsal scales A—Narrower scale, B—Wider scale. All measurements in micrometers.
FIGURE 5 in Gastrotricha from the Poznań Palm House—one new subgenus and three new species of freshwater Chaetonotida (Gastrotricha)
FIGURE 5. Chaetonotus (Tristratachaetus) rhombosquamatus sp. nov.—body view without outer layer of cuticle. A—Dorsal view, B—View of internal morphology, C—Ventral view. All measurements in micrometers.
FIGURE 17. X in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 17. X-ray radiographs of Potamotrygon limai, sp. nov. (A) Entire skeleton (MZUSP 104068, juvenile male, 219 mm DW; scale bar = 40 mm); (B) Detail of jaw region (MZUSP 103031, adult male, 498 mm DW; scale bar = 35 mm); (C) Detail of angular cartilages (MZUSP 103031, adult male, 498 mm DW; scale bar = 25 mm); (D) Detail of pectoral girdle (MZUSP 103031, adult male, 498 mm DW; scale bar = 25 mm); (E) Detail of pelvic girdle (MZUSP 103031, adult male, 498 mm DW; scale bar = 25 mm). Abbreviations: AAC: Anterior angular cartilage; B1: Basal segment 1; B2: Basal segment 2: BP: Basipterigium; COB: Coracoid bar; HYO: Hyomandibular cartilage; LAC: Lateral angular cartilage; MC: Meckel's Cartilage; MES: Mesopterigium; MET: Metapterigium; MSC: Mesocondyle; MTC: Metacondyle; PAC: Posterior angular cartilage; PC: Procondyle; PIB: Puboisquiadic bar; PRO: Propterigium; PQ: Palatoquadrate cartilage.
FIGURE 16 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 16. Dorsal (A) and ventral (B) views of clasper skeleton of Potamotrygon limai, sp. nov. (MZUSP 104033, adult male, 359 mm DW). Abbreviations: AT: accessory terminal cartilage; AX: axial cartilage; B1: first basal segment; B2: second basal segment; BE: beta cartilage; DM: dorsal marginal cartilage; DT2: dorsal terminal 2 cartilage; VM: ventral marginal cartilage; VT: ventral terminal cartilage. Scale bar = 10 mm.
FIGURE 15 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 15. Ventral (A) and ventral oblique (B) views of pelvic girdle of Potamotrygon limai, sp. nov. (MZUSP 104033, adult male, 359 mm DW). Abbreviations: IP: iliac process; ISP: ischial process; LPP: lateral prepelvic process; OF: obturator foramen; PPP: prepelvic process; PIB: puboischiadic bar. Scale bar = 20 mm.
FIGURE 14 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 14. Lateral view of pectoral girdle of Potamotrygon limai, sp. nov. (MZUSP 104033, adult male, 359 mm DW). Abbreviations: ADF: anterodorsal fenestra; AVF: anteroventral fenestra; MSC: mesocondyle; MTC: metacondyle; PC: procondyle; PDF: posterodorsal fenestra; PVF: posteroventral fenestra. Scale bar = 10 mm.
FIGURE 12 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 12. Ventral (A), frontal (B) and detailed ventral (C) views of hyomandibular arch of Potamotrygon limai, sp. nov. (MZUSP 104033, adult male, 359 mm DW). Abbreviations: AAC: anterior angular cartilage; HYO: hyomandibula; LAC: lateral angular cartilage; MC: Meckel's cartilage; PAC: posterior angular cartilage; PQ: palatoquadrate; PTP: posterior triangular projection; VLP: ventrolateral process. Scale bar = 20 mm..
FIGURE 13 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 13. Lateral (A) and dorsal (B) views of synarcual cartilage of Potamotrygon limai, sp. nov. (MZUSP 104033, adult male, 359 mm DW). Abbreviations: ASP: articular surface for scapular process; LS: lateral stay; MDC: medial crest; OTP: odontoid process; SNC: spinal nerve canal; SNF: spinal nerve foramen. Scale bar = 10 mm.
FIGURE 11 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 11. Posterior (A) and posterior oblique (B) views of neurocranium of Potamotrygon limai, sp. nov. (MZUSP 104033, adult male, 359 mm DW). Abbreviations: AS: articular surface for synarcual; FM: foramen magnum; HMDF: hyomandibular facet; OC: occipital condyle; PLF: perilymphatic foramen; POP: postorbital process; IX: glossopharyngeal nerve foramen; X: vagus nerve foramen. Scale bar = 20 mm..
FIGURE 10 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 10. Lateral view of neurocranium of Potamotrygon limai sp. nov. (MZUSP 104033, adult male, 359 mm DW). Abbreviations: ACVF: anterior cerebral vein foramen; ANC: antorbital cartilage condyle; ES: eyestalk; ESAF: efferent spiracular artery foramen; HMDF: hyomandibular facet; ICAF: internal carotid artery foramen; LC: lateral commissure; OBF: orbital fissure; PFPC: posterior foramen for preorbital canal; POP: postorbital process; PRP: preorbital process; SUP: superficial ophthalmic nerve foramina; II: optic nerve foramen; III: oculomotor nerve foramen; IV: trochlear nerve foramen; VII: hyomandibular branch of facial nerve foramen. Scale bar = 10 mm.
FIGURE 9 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 9. Dorsal (A) and ventral (B) views of neurocranium of Potamotrygon limai sp. nov. (MZUSP 104033, adult male, 359 mm DW). Abbreviations: AFPC: anterior foramen for preorbital canal; AS: articular surface for synarcual; ELF: endolymphatic foramen; FPF: frontoparietal fontanelle; ICAF: internal carotid artery foramen; NC: nasal capsule; OBF: orbital fissure; PCF: precerebral fontanelle; PFPC: posterior foramen for preorbital canal; PLF: perilymphatic foramen; POP: postorbital process; PRP: preorbital process; SOC: supraorbital crest; SP: supraorbital process; SUP: superficial ophthalmic nerve foramina. Scale bar = 10 mm.
FIGURE 8 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 8. Ventral lateral-line canals of Potamotrygon limai, sp. nov. (based on MZUSP 104066). (A) Overall arrangement; (B) Detail of anterior disc region. Abbreviations: AJL: Anterior jugular loop; AST: Anterior sub pleural tubules; CON: Orbitonasal component of the supraorbital canal; HYC: Hyomandibular canal; IOC: Infraorbital canal; IOL: Infraorbital loop; JCH: Jugular component of the hyomandibular canal; JUG: Jugular canal; NAS: Nasal canal; NIL: Nasoinferior loop; PJL: Posterior jugular loop; PNC: Prenasal component of the nasal canal; PNL: Prenasal loop; SOC: Supraorbital canal; SOL: suborbital loop; SPC: subpleural component of the hyomandibular canal; SPL: subpleural loop.
FIGURE 7 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 7. Scanning electron microscope (SEM) images of denticles of Potamotrygon limai, sp. nov. (A) Rostral region; (B) Rostral region in greater detail; (C) Cranial region; (D) Cranial region in greater detail; (E) Caudal region; (F) Caudal region in greater detail. Abbreviations: Bp: Basal plate; Br: Basal ridge; Cd: Coronal dichotomy; Co: Crown; Cp: Coronal plate; Cr: Coronal ridge.
FIGURE 6 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 6. Mouth, teeth and oral papillae of holotype of Potamotrygon limai, sp. nov. (MZUSP 104031, adult male, 498 mm DW). (A) Detail of open mouth and pharynx; (B) Detail of upper jaw dentition; (C) Detail of lower jaw dentition.
FIGURE 5 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 5. Morphological details of holotype of Potamotrygon limai, sp. nov. (MZUSP 104031, adult male, 498 mm DW). (A) Nasoral region, with open dissected mouth; (B) Ventral aspect of pelvic fins and tail base; (C) Dorsal view of clasper; (D) Caudal sting in detail.
FIGURE 4 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 4. Morphological details of holotype of Potamotrygon limai, sp. nov. (MZUSP 104031, adult male, 498 mm DW). (A) Rostral region, eyes and spiracles; (B) Tail in dorsolateral aspect; (C) Dorsal lumbar region and tail base; (D) Detail of tail with spines.
FIGURE 18 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 18. Distribution of Potamotrygon limai, sp. nov. Circle indicates collection locality of all specimens including types.
FIGURE 2 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 2. Paratype of Potamotrygon limai, sp. nov. (MZUSP 104039, adult male, 349 mm DW). (A) Dorsal view; (B) Ventral view.
FIGURE 3 in Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae)
FIGURE 3. Paratype of Potamotrygon limai, sp. nov. (MZUSP 104041,?pre-adult female, 356 mm DW). (A) Dorsal view; (B) Ventral view.
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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.