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107 results for “Cavefish”
Selection-driven trait loss in independently evolved cavefish populations
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Data from: Evidence for hearing loss in amblyopsid cavefishes
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Data from: Evidence for repeated loss of selective constraint in rhodopsin of amblyopsid cavefishes (Teleostei: Amblyopsidae)
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Data from: Parental genetic effects in a cavefish adaptive behavior explain disparity between nuclear and mitochondrial DNA
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Figure 5 from: Nguyen DT, Ho AT, Hoang NT, Wu H, Zhang E (2020) 'Henicorhynchus' thaitui, a new species of cavefish from Central Vietnam (Teleostei, Cyprinidae). ZooKeys 965: 85-101. https://doi.org/10.3897/zookeys.965.52751
Figure 5 Species most closely related to 'Henicorhynchus' thaitui sp. nov.: aHenicorhynchus lineatusbH. lobatuscH. ornatipinnisdH. siamensiseCirrhinus jullienifC. microlepisgC. molitorella; and hSpeolabeo hokhanhi. Photos b, d, e, f and g from Vietnam, by D.D. Tran (Can Tho University, Vietnam); a and c from Laos, by Bounthob Praxaysombath (National University of Laos, Laos) (from Kano et al. 2013); and h from Vietnam, by D.T. Nguyen. Scale bars: 1 cm.
Figure 3 from: Nguyen DT, Ho AT, Hoang NT, Wu H, Zhang E (2020) 'Henicorhynchus' thaitui, a new species of cavefish from Central Vietnam (Teleostei, Cyprinidae). ZooKeys 965: 85-101. https://doi.org/10.3897/zookeys.965.52751
Figure 3 'Henicorhynchus' thaitui sp. nov., IHB 2016105898, paratype, 98.0 mm SL: a lateral view of head b gill rakers on lower arm of first arch c pharyngeal teeth d air bladder; and e intestines.
Figure 1 from: Nguyen DT, Ho AT, Hoang NT, Wu H, Zhang E (2020) 'Henicorhynchus' thaitui, a new species of cavefish from Central Vietnam (Teleostei, Cyprinidae). ZooKeys 965: 85-101. https://doi.org/10.3897/zookeys.965.52751
Figure 1 Lateral view of 'Henicorhynchus' thaitui sp. nov.: a IEBR 105901, holotype, 74.3 mm SL; and b IHB 2016105898, paratype, 98.0 mm SL. Both specimens caught in central Vietnam: Son River system in Gianh river drainage: Khe Lanh Cave.
Figure 7 from: Nguyen DT, Ho AT, Hoang NT, Wu H, Zhang E (2020) 'Henicorhynchus' thaitui, a new species of cavefish from Central Vietnam (Teleostei, Cyprinidae). ZooKeys 965: 85-101. https://doi.org/10.3897/zookeys.965.52751
Figure 7 Vietnam: Son River system in Gianh River drainage basin: Khe Lanh Cave: mouth of cave (left) and habitat of 'Henicorhynchus' thaitui sp. nov. (right).
Figure 4 from: Nguyen DT, Ho AT, Hoang NT, Wu H, Zhang E (2020) 'Henicorhynchus' thaitui, a new species of cavefish from Central Vietnam (Teleostei, Cyprinidae). ZooKeys 965: 85-101. https://doi.org/10.3897/zookeys.965.52751
Figure 4 Ventral view of mouthpart structures in 'Henicorhynchus' thaitui sp. nov., IHB 2016105898, paratype, 98.0 mm SL. lj, lower jaw; ll, lower lip; mb, maxillary barbel; pg, postlabial groove; rb, rostral barbel; rf, rostral fold; ul, upper lip; uj, upper jaw.
Figure 2 from: Nguyen DT, Ho AT, Hoang NT, Wu H, Zhang E (2020) 'Henicorhynchus' thaitui, a new species of cavefish from Central Vietnam (Teleostei, Cyprinidae). ZooKeys 965: 85-101. https://doi.org/10.3897/zookeys.965.52751
Figure 2 'Henicorhynchus' thaitui sp. nov., specimen not preserved, about 100 mm SL, Vietnam: Khe Lanh cave; life coloration.
Data from: Eyeless Mexican cavefish save energy by eliminating the circadian rhythm in metabolism
The eyed surface form and eyeless cave form of the Mexican tetra Astyanax mexicanus experience stark differences in the daily periodicities of light, food and predation, factors which are likely to have a profound influence on metabolism. We measured the metabolic rate of Pachón cave and surface fish at a fixed swimming speed under light/dark and constant dark photoperiods. In constant darkness surface forms exhibited a circadian rhythm in metabolism with an increase in oxygen demand during the subjective daytime, whereas cave forms did not. The lack of circadian rhythm in metabolism leads to a 27% energy savings for Pachón cave fish compared to surface fish when comparing both forms in their natural photoperiods. When surface forms were tested under constant dark conditions they expended 38% more energy than cave forms under equivalent conditions. Elimination of the circadian rhythm in metabolism may be a general feature of animals that live in perpetually dark food-limited environments such as caves or the deep sea.
FIGURE 2 in A new cavefish species from Southwest China, Sinocyclocheilus gracilicaudatus sp. nov. (Teleostei: Cypriniformes: Cyprinidae)
FIGURE 2. Sampling sites of Sinocyclocheilus gracilicaudatus sp. nov. (●) and S. donglanensis (▲).
Supplementary material 1 from: Luo T, Chen Z-X, Zhao X-R, Yu J, Lan C-T, Zhou J-J, Xiao N, Zhou J (2023) Balitora anlongensis, the first cavefish species of the genus Balitora (Teleostei, Balitoridae) from Guizhou Province, southwest China. ZooKeys 1185: 21-42. https://doi.org/10.3897/zookeys.1185.108545
List of cavefishes in China
Supplementary material 2 from: Luo T, Chen Z-X, Zhao X-R, Yu J, Lan C-T, Zhou J-J, Xiao N, Zhou J (2023) Balitora anlongensis, the first cavefish species of the genus Balitora (Teleostei, Balitoridae) from Guizhou Province, southwest China. ZooKeys 1185: 21-42. https://doi.org/10.3897/zookeys.1185.108545
Specific primers used to amplify two mitochondrial and three nuclear genes
Figure 6 from: Mar-Silva AF, Arroyave J, Díaz-Jaimes P (2022) The complete mitochondrial genome of the Mexican-endemic cavefish Ophisternon infernale (Synbranchiformes, Synbranchidae): insights on patterns of selection and implications for synbranchiform phylogenetics. ZooKeys 1089: 1-23. https://doi.org/10.3897/zookeys.1089.78182
Figure 6 Phylogenetic relationships of major synbranchiform lineages. Molecular phylogeny based on comparative mitochondrial PCGs from relevant available mitogenomes and the newly generated herein for O. infernale. Troglobitic cave-dwelling species are marked with an asterisk to distinguish them from surface-dwelling ones. Outgroup taxa not shown. Colored circles on nodes indicate degree of clade support as determined by bootstrap values.
Figure 3 from: Mar-Silva AF, Arroyave J, Díaz-Jaimes P (2022) The complete mitochondrial genome of the Mexican-endemic cavefish Ophisternon infernale (Synbranchiformes, Synbranchidae): insights on patterns of selection and implications for synbranchiform phylogenetics. ZooKeys 1089: 1-23. https://doi.org/10.3897/zookeys.1089.78182
Figure 3 Secondary structure of the 22 tRNA genes of the mitochondrial genome of O. infernale predicted by tRNAScan-SE 2.0.
Figure 4 from: Mar-Silva AF, Arroyave J, Díaz-Jaimes P (2022) The complete mitochondrial genome of the Mexican-endemic cavefish Ophisternon infernale (Synbranchiformes, Synbranchidae): insights on patterns of selection and implications for synbranchiform phylogenetics. ZooKeys 1089: 1-23. https://doi.org/10.3897/zookeys.1089.78182
Figure 4 Comparison (multiple sequence alignment) of the mtDNA control region of O. infernale with those of fellow teleosts Siniperca chuatsi and Cyprinion semiplotum. The alignment displays the three canonical domains distinguished by Termination Associated Sequences (TAS) of the upstream hypervariable region (in red), central conserved domain blocks (CSB-F, CSB-E, CSB-D) (in blue), and conserved sequence blocks of the downstream hypervariable region (CSB-1, CSB-2 and CSB-3) (in green).
Figure 5 from: Mar-Silva AF, Arroyave J, Díaz-Jaimes P (2022) The complete mitochondrial genome of the Mexican-endemic cavefish Ophisternon infernale (Synbranchiformes, Synbranchidae): insights on patterns of selection and implications for synbranchiform phylogenetics. ZooKeys 1089: 1-23. https://doi.org/10.3897/zookeys.1089.78182
Figure 5 Patterns of selection in mtDNA PCGs of synbranchiform fishes. Results from KA/KS ratio analysis on mitochondrial PCGs (x-axis) in synbranchiform fishes of the families Synbranchidae (a) and Mastacembelidae (b).
Figure 2 from: Mar-Silva AF, Arroyave J, Díaz-Jaimes P (2022) The complete mitochondrial genome of the Mexican-endemic cavefish Ophisternon infernale (Synbranchiformes, Synbranchidae): insights on patterns of selection and implications for synbranchiform phylogenetics. ZooKeys 1089: 1-23. https://doi.org/10.3897/zookeys.1089.78182
Figure 2 Results from analysis of Relative Synonymous Codon Usage (RSCU) of the mitochondrial genome of O. infernale. Codon families are plotted on the x-axis. The label for the 2, 4, or 6 codons that compose each family is shown in the boxes below the x-axis, and the colors correspond to those in the stacked columns. RSCU values are shown on the y-axis.
Figure 1 from: Mar-Silva AF, Arroyave J, Díaz-Jaimes P (2022) The complete mitochondrial genome of the Mexican-endemic cavefish Ophisternon infernale (Synbranchiformes, Synbranchidae): insights on patterns of selection and implications for synbranchiform phylogenetics. ZooKeys 1089: 1-23. https://doi.org/10.3897/zookeys.1089.78182
Figure 1 Annotated map of the mitochondrial circular genome of O. infernale. The outer ring corresponds to the H- (outermost) and L-strands, and depicts the location of PCGs (in black, except for ND6 which is encoded in the L-strand and is portrayed in red), the non-coding control region (in dark brown), tRNAs (in red), and rRNAs (in light brown). The inner ring (black sliding window) denotes GC content along the genome. Live specimen photograph taken in the Cenote Kancabchen (Homún, Yucatán), courtesy of cave diver Erick Sosa.
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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)
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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.