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25 results for “Hydrophis”
Yellow-Bellied Sea Snake (Hydrophis platurus) brain illustration
<p>3D model of the Yellow-Bellied Sea Snake brain highlighting the anatomy and the spatial arrangement of its major subdivisions.</p> <p>The brain reconstruction was obtained from a microCT scan of a iodine-stained specimen through manual segmentation using the software Amira 5.5.0.</p> <p>Other illustrations can be found <strong><a href="https://zenodo.org/search?page=1&size=20&q=keywords:%22squamate%20brain%22">here</a></strong>.</p> <p><em>If you are interested in reptile brain evolution and behavior, please, have a look to our recent publication:</em></p> <p><a href="https://www.nature.com/articles/s41467-019-13405-w"><em><strong>"Comparative analysis of squamate brains unveils multi-level variation in cerebellar architecture associated with locomotor specialization"</strong></em></a></p> <p><strong>Simone Macrì, Yoland Savriama, Imran Khan & Nicolas Di-Poï</strong></p> <p><em>Nature Communications</em> <strong>10, </strong>5560 (2019)</p> <p> </p> <p><em>Check out also our *4K* video collection of various snake and lizard 3D brains:</em></p> <p><strong><a href="https://www.youtube.com/playlist?list=PLgx4vtT32C8hqxG_icKiuXGtZVLVX-oG1">Snake and Lizard brain reconstructions video collection</a></strong></p> <p> </p> <p>For any inquiries or additional information, please, refer to the contacts provided in the <strong><a href="https://www.nature.com/articles/s41467-019-13405-w">article</a></strong>.</p>
Swim with the tide: tactics to maximise prey detection by a specialist predator, the greater sea snake (Hydrophis major)
<p><span><span><span><span><span><span><span><span><span><span><span>The fitness of a predator depends upon its ability to locate and capture prey; and thus, increasing dietary specialization should favor the evolution of species-specific foraging tactics tuned to <span><span>taxon</span></span>-specific habitats and cues. Within marine environments, prey detectability (e.g., via visual or chemical cues) is affected by environmental conditions (e.g., water clarity and tidal flow), such that specialist predators would be expected to synchronize their foraging activity with cyclic variation in such conditions. In the present study, we combined behavioral-ecology experiments on captive sea snakes and their prey (catfish) with acoustic tracking of free-ranging sea snakes, to explore the use of waterborne chemical cues in this predator-prey interaction. In coral-reef ecosystems of New Caledonia, the greater sea snake (<i>Hydrophis major</i>) feeds only upon striped eel catfish (<i>Plotosus lineatus</i>). Captive snakes became more active after exposure to waterborne chemical cues from catfish, whereas catfish did not avoid <span><span>chemical</span></span> cues from snakes. Movement patterns of tracked snakes showed that individuals were most active on a rapidly falling tide, which is the time when <span><span>chemical</span></span> cues from hidden catfish are <span><span>likely to be</span></span> most readily available to a foraging predator. By synchronizing foraging effort with the tidal cycle, greater sea snakes may be able to exploit the availability of chemical cues during a rapidly falling tide to maximize efficiency in locating and capturing prey. </span></span></span></span></span></span></span></span></span></span></span></p>
Swim with the tide: tactics to maximise prey detection by a specialist predator, the greater sea snake (Hydrophis major)
Open the record for dataset details and reuse information.
FIGURE 1 in Hydrophis donaldi (Elapidae, Hydrophiinae), a highly distinctive new species of sea snake from northern Australia
FIGURE 1. Hydrophis donaldi sp. nov. (A) Dorsal aspect of holotype QM J90700 (before preservation), (B) Ventral aspect of holotype QM J90700 (before preservation), (C) strongly spinous dorsal scales, (D) micro-CT scan of the lateral view of the head of SAMA R65216 (Scale = 10 mm). Note that the maxillary bone does not extend forward far beyond the palatine and that the fang is followed by a diastema. both character states were used by Smith (1926) to diagnose Hydrophis.
FIGURE 2 in Hydrophis donaldi (Elapidae, Hydrophiinae), a highly distinctive new species of sea snake from northern Australia
FIGURE 2. Hydrophis donaldi sp. nov., holotype QM J90700 (A) lateral aspect of head, (B) Dorsal aspect of head. Scale =10 mm.
FIGURE 4 in Hydrophis donaldi (Elapidae, Hydrophiinae), a highly distinctive new species of sea snake from northern Australia
FIGURE 4. The single most parsimonious trees for phased haplotypes of the nuclear loci (A) G1888 (B) G1894. Scale bars indicate branch lengths corresponding to 1 step.
FIGURE 3 in Hydrophis donaldi (Elapidae, Hydrophiinae), a highly distinctive new species of sea snake from northern Australia
FIGURE 3. Bayesian majority rule consensus tree of the sea snakes sampled in this study based on the concatenated mitochondrial alignment. Hydrophis donaldi sp. nov. forms a highly divergent lineage although its phylogentic position remains poorly resolved. Nodes with maximum likelihood bootstrap support>70 (below) and Bayesian posterior probability>0.8 (above) are indicated. The outgroup Aipysurus laevis is not shown. Scale bar indicates the number of nucleotide substitutions per site.
FIGURE 10 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 10. Holotype of Platurus affinis ZSI 8289, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
FIGURE 11 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 11. Modified reproduction of drawing of Hydrophis melanocinctus, H. alcocki and H. neglectus type specimens from Wall (1906).
FIGURE 9 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 9. Holotype of Hydrophis neglectus ZSI 8598, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
FIGURE 1 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 1. Syntype of Hydrophis trachyceps ZSI 8266, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
FIGURE 5 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 5. Holotype of Hydrophis dayanus ZSI 8278, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
FIGURE 8 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 8. Holotype of Hydrophis melanocinctus ZSI 14470, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
FIGURE 3 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 3. Holotype of Hydrophis fayrerianus ZSI 8270, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
FIGURE 2 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 2. Holotype of Hydrophis crassicollis ZSI 8272, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
FIGURE 4 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 4. Holotype of Hydrophis tuberculatus ZSI 8271, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
FIGURE 7 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 7. Holotype of Hydrophis alcocki ZSI 8244, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
FIGURE 6 in Redescriptions of the type specimens of synonymous nominal taxa of sea snakes (Serpentes: Elapidae: Hydrophis, Laticauda) at the Zoological Survey of India
FIGURE 6. Holotype of Distira andamanica ZSI 15238, dorsal (top), ventral (middle) and lateral (bottom) aspects. Photograph by Zoological Survey of India, Kolkata.
Supplementary material 1 from: Bessesen BL, Galbreath GJ (2017) A new subspecies of sea snake, Hydrophis platurus xanthos, from Golfo Dulce, Costa Rica. ZooKeys 686: 109-123. https://doi.org/10.3897/zookeys.686.12682
Table of localities : Explanation note: Hydrophis platurus xanthos, COSTA RICA: Golfo Dulce: inner basin, 2010–2011.
Venom toxins of the annulated sea snake (Hydrophis cyanocinctus)
<p>Table S1. Amino acid sequences translated from toxin unigenes in the venom-gland transcriptome of the annulated sea snake (Hydrophis cyanocinctus) from the South China Sea. Sequences with partial CDS are indicated in italic; Table S2. FPKM% of protein family in the venom-gland transcriptome of the annulated sea snake (Hydrophis cyanocinctus) from the South China Sea; Table S3. Sequences used for positive selection detecting by codeml test; Table S4. Sequences used for positive selection detecting by yn00 test.</p>
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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.