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1,103 results for “Actinopterygii”
Figure 1 in A third European species of grayling (Actinopterygii, Salmonidae), endemic to the Loire River basin (France), Thymallus ligericus n. sp.
Figure 1. – The three supplementary measurements made on the ventral side of the head, in addition to those of Surre et al. (1986): the mandible width, the chin length (from the basibranchial junction to the extremity of the mandible) and the ventral snout length (from the same point to the extremity of the snout).
Figure 3 in A third European species of grayling (Actinopterygii, Salmonidae), endemic to the Loire River basin (France), Thymallus ligericus n. sp.
Figure 3. – Head profiles of Thymallus spp. A: Paratype of Thymallus ligericus n. sp. MNHN 2018-0728, 300 mm SL J, Dore River at Vertolaye, 29 May 2015, Persat, Juglaret and Buttazzoni coll.; B: Thymallus thymallus UCBLZ – 2012.9.1010, 376 mm TL, Rhône drainage, Ain River at Crotenay, 10 Jun. 2014, Persat and FDAAPPMA39 coll.
Figure 5 in Barbatula leoparda (Actinopterygii, Nemacheilidae), a new endemic species of stone loach of French Catalonia
Figure 5. – Distribution map of the three recognized Barbatula spp. in France and Spain adapted and modified from Kottelat and Freyhof (2007): Barbatula leoparda in yellow, Barbatula barbatula in blue and Barbatula quignardi in orange. Locations: Têt River at Nefiach (1), Tech River at Céret (2) and at Elne (3).
Figure 2 in Barbatula leoparda (Actinopterygii, Nemacheilidae), a new endemic species of stone loach of French Catalonia
Figure 2. – Specimens of Barbatula spp. in ventral view. A: Holotype of Barbatula leoparda MNHN 2018- 0228, 62.6 mm SL ♀, Têt River at Nefiach, 7 Sep. 2016, Denys and ONEMA coll.; B: Barbatula barbatula MNHN 2013-0826, 72.9 mm SL ♂, stream Clauge (Rhône drainage) at La Loye, 1 Jul. 2013, Denys and ONEMA coll.; C: Holotype of Barbatula quignardi MGAB77, 52 mm SL ♂, Lez River, Jul. 1962, Băcescu coll.
FIGURE 6 in Late Cretaceous Elopomorpha (Actinopterygii: Teleostei) from the Mahajanga Basin of Madagascar and impacts on paleobiogeography
FIGURE 6. Late Cretaceous Paleogeographic Map showing known fossil localities (clustered by state if applicable) of Albula, Egertonia, and Paralbula and the location of the Madagascar fauna. PaleoMap modified from global Molleweide projection at 66 Ma (Scotese, 2014). Localities are condensed by state or province in North America for clarity.
FIGURE 4 in Late Cretaceous Elopomorpha (Actinopterygii: Teleostei) from the Mahajanga Basin of Madagascar and impacts on paleobiogeography
FIGURE 4. Paralbula sp. fossils from the Maevarano Formation. A-B occlusal and lateral views of tooth plate (DMNH EPV.136304). C-D occlusal and lateral views of tooth plate (UA 11391). E-F, occlusal and lateral views of tooth plate (UA 11392). Scale bar equals 1 cm.
FIGURE 3 in Late Cretaceous Elopomorpha (Actinopterygii: Teleostei) from the Mahajanga Basin of Madagascar and impacts on paleobiogeography
FIGURE 3. Egertonia sp. fossils from the Maevarano Formation. A-B, occlusal and cross-section views of tooth plate (UA 11389). C-D, occlusal and cross-section views of tooth plate (DMNH EPV. 136302). E-F, occlusal and cross-section views of tooth plate (DMNH EPV.136303). G-I, occlusal, cross-section, and basal views of tooth plate (UA 11390). Scale bar equals 1 cm; small arrows used in cross-section view to highlight vertically stacked teeth.
FIGURE 1 in Late Cretaceous Elopomorpha (Actinopterygii: Teleostei) from the Mahajanga Basin of Madagascar and impacts on paleobiogeography
FIGURE 1. Geologic map of the Mahajanga Basin field area in northwestern Madagascar, including Berivotra and Lac Kinkony Study Areas. Modified with permission from Rogers et al. (2013).
FIGURE 3 in Recent dispersal and diversification within the clingfish genus Acyrtus (Actinopterygii: Gobiesocidae), with the description of a new western Atlantic species
FIGURE 3 | Bayesian phylogeny of Acyrtus based on the COI gene. Bayesian posterior probability values are shown and the biogeographic province of lineages presented in the right. SWA: southwestern Atlantic; NWA: northwestern Atlantic; EP: eastern Pacific.
FIGURE 1 in Recent dispersal and diversification within the clingfish genus Acyrtus (Actinopterygii: Gobiesocidae), with the description of a new western Atlantic species
FIGURE 1 | Acyrtus simon, holotype CIUFES 2915, 26.41 mm SL. A. Specimen alive, photo taken by J. L. Gasparini in June 2009; B–D. Specimen preserved, photo taken by R. M. Macieira on 31 October 2020. E. X-ray taken by M. M. Mincarone on 11 May 2022.
FIGURE 4 in Recent dispersal and diversification within the clingfish genus Acyrtus (Actinopterygii: Gobiesocidae), with the description of a new western Atlantic species
FIGURE 4 | Bayesian estimates of divergence time based on the mitochondrial COI gene. Posterior probability values reached 1–0.99 for all the main nodes (represented by the orange circle). The horizontal purple bars indicate 95% credibility intervals of node age estimation. The calibration nodes represent the divergence of the last common ancestors between (A) Pseudochromidae + Grammatidae + Gobiesocidae, (B) Grammatidae + Gobiesocidae, (F) all Gobiesocidae species, and (G) Acyrtus + Arcos + Gobiesox (see Conway et al., 2017).
FIGURE 1 in Reproductive biology of Parona signata (Actinopterygii: Carangidae), a valuable economic resource, in the coastal area of Mar del Plata, Buenos Aires, Argentina
FIGURE 1 | Monthly variation of the gonadosomatic index (GSI) of females (black continuous line), standard deviation (dashed lines) and temperature (in Celsius degrees) (gray continuous line) based on an annual cycle.
FIGURE 3 in Reproductive biology of Parona signata (Actinopterygii: Carangidae), a valuable economic resource, in the coastal area of Mar del Plata, Buenos Aires, Argentina
FIGURE 3 | Photomicrographs of Parona signata. A: primary growth oocytes (P); B: cortical alveoli oocytes (CA); C: yolked oocytes (YO) and a post-ovulatory follicle (large arrow); D: details of a yolked oocyte (r: radiate zone; g: granulosa cells; t: theca cells); E: hydrated oocyte (arrow); F: details of a post-ovulatory follicle (arrow); G: primary growth oocytes in an adult ovary (notice the thick wall of the ovary – OW); H: atresic follicle (arrow).
FIGURE 2 in Reproductive biology of Parona signata (Actinopterygii: Carangidae), a valuable economic resource, in the coastal area of Mar del Plata, Buenos Aires, Argentina
FIGURE 2 | Monthly relative frequency of the different gonadal development stages observed in females of Parona signata on the annual cycle.
Fig. 6. A and C in Reproductive studies of Anchoa marinii Hildebrand, 1943 (Actinopterygii: Engraulidae) in the nearby-coastal area of Mar Chiquita coastal lagoon, Buenos Aires, Argentina
Fig. 6. A and C: Batch fecundity as a function of total length and total weight (without ovary), respectively. B and D: relative fecundity as a function of total length and total weight (without ovary), respectively.
Fig. 8 in Reproductive studies of Anchoa marinii Hildebrand, 1943 (Actinopterygii: Engraulidae) in the nearby-coastal area of Mar Chiquita coastal lagoon, Buenos Aires, Argentina
Fig. 8. Proportion of mature individuals observed for each length classes of Anchoa marinii. A. Females, B. Males.
Fig. 7 in Reproductive studies of Anchoa marinii Hildebrand, 1943 (Actinopterygii: Engraulidae) in the nearby-coastal area of Mar Chiquita coastal lagoon, Buenos Aires, Argentina
Fig. 7. Monthly variation of the gonadosomatic index (GSI), based on an annual cycle. Boxplots with median, 75th percentile and 25th percentile. Bars denote standard deviation. Open circles= outlier values; asterisk= extreme outliers.
Fig. 4 in Reproductive studies of Anchoa marinii Hildebrand, 1943 (Actinopterygii: Engraulidae) in the nearby-coastal area of Mar Chiquita coastal lagoon, Buenos Aires, Argentina
Fig. 4. Stages of oocyte development of Anchoa marinii. A, oogonias (o) and primary growth (p) oocytes; B, cortical alveoli stage oocyte (arrow); C, yolked oocytes (arrow); D, details of a yolked oocyte (r: radiata zone; g: granulosa cells; t: teca cells); E, migration of the nucleus (n); F, hydrated oocytes; G, atretic follicle; H, post- ovulatory follicle (arrow). Scale bars: A, B, D, 20 µm; C, E, F, G, H, 70 µm.
Fig. 3 in Reproductive studies of Anchoa marinii Hildebrand, 1943 (Actinopterygii: Engraulidae) in the nearby-coastal area of Mar Chiquita coastal lagoon, Buenos Aires, Argentina
Fig. 3. Captures per unite effort (CPUE), temperature and salinity values obtained for Anchoa marinii. Black triangles: CPUE; open squares: temperature; circles with dotted line: salinity.
Fig. 2 in Short Communication A new record of the rare Hypleurochilus bananensis (Poll 1959) (Actinopterygii: Blenniidae) with a review of its distribution and ecology in Italian seas
Fig. 2 - Individuals of H. bananensis observed in the Tyrrhenian Sea in the present study observed on 30th December 2023 (A and C) and on 29th December 2023 (B). / Individui di Hypleurochilus bananensis osservati il 30 dicembre 2023 (A e C) e il 29 dicembre 2023 (B) e riportati nel presente studio (Mar Tirreno).
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Allen Brain Atlas
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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.