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Fig. 2 in Deep-sea nematodes (Comesomatidae) from the Southwest Pacific Ocean: five new species and three new species records
Fig. 2. Cervonema shiae Chen & Vincx, 2000 and Cervonema kaikouraensis sp. nov. light micrographs. A. Large sperm cells without nuclei in anterior testis of C. shiae. B. Small nucleated sperm in posterior testis of C. shiae. C. Large sperm cells without nuclei in anterior testis of C. kaikouraensis sp. nov. D. Small nucleated sperm in posterior testis of C. kaikouraensis sp. nov. Arrows point to the lenticular nuclei situated on the periphery of the small sperm cells in the posterior testes of both species. Scale bar = 10 μm.
Fig. 1 in Deep-sea nematodes (Comesomatidae) from the Southwest Pacific Ocean: five new species and three new species records
Fig. 1. Cervonema shiae Chen & Vincx, 2000. A. Ƌ anterior body region. B. Lateral view of Ƌ head region. C. ♀ reproductive system. D. ♀ tail. E. Ƌ posterior body region showing reproductive system and copulatory apparatus. Scale bar: A = 40 μm; B = 35 μm; C = 65 μm; D = 30 μm; E = 60 μm.
Fig. 10 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 10. Ptilomyax hadalis sp. nov. A. Holotype attached to echinoid spines. B. Paratype, left side. C. Juvenile paratype lacking "wings". D. Anatomy of a paratype as viewed from the left side.
Fig. 9. Pourtalesia miranda Agassiz, 1869 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 9. Pourtalesia miranda Agassiz, 1869 with Syssitomya pourtalesiana sp. nov. attached, from Biscay. Courtesy of A.J. & E.C. Southward.
Fig. 6 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 6. Montacuta substriata (Montagu, 1808), NMW.Z 2000.101.73. Gulfaks Oil Field, North Sea, 217 m. A-B. SEM of hinges of right and left valves. C. SEM of internal of right valve. D. SEM of external of left valve.
Fig. 7 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 7. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. A-C. Photo micrographs a external of left valve, internals of both valves. D-E. SEM of hinges of right and left valves. F-G. SEM of internal of both valves. H. SEM of prodissoconch. I. SEM of internal of right valve from NORBI cruise, abyssal, Courtesy of Anders Warén.
Fig. 8 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 8. Computer enhanced photomicrographs of whole specimens of Syssitomya pourtalesiana sp. nov. from the Norwegian Sea. A-A2. Holotype A. Exterior from right side. A1. Dorsal. A2. Ventral. B. Paratypes, size series.
Fig. 4 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 4. Scanning electron micrographs of anatomy. A. K. symmetros (Jeffreys, 1876) from Biscay. B. Syssitomya pourtalesiana sp. nov. from Norwegian Sea. C. Montacuta substriata (Montagu, 1808) from North Sea. D. Excised ctenidium of M. substriata. E. Excised piece of ctenidium from S. pourtalesiana sp. nov.
Fig. 5 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 5. Aeropsis rostrata (Wyville Thomson, 1877) with Kelliola symmetros (Jeffreys, 1876) attached, from Biscay.
Fig. 3 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 3. Kelliola symmetros (Jeffreys, 1876) from Biscay. A-C. Photo micrographs a external of left valve, internals of both valves. D-E. SEM of hinges of right and left valves. F-H. SEM of internal of both valves and external of left valve. I. SEM of prodissoconch. J. SEM of anterior area showing weak radial sculpture. K. SEM of margin showing transverse grooves.
Fig. 1 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 1. Holotype of Axinodon symmetros Verrill & Bush, 1898, USNM 35175. A-B. SEM of hinges of right and left valves. C-D. SEM of internal of right and left valves. E. Photo micrograph of internal of right valve. F-G. SEM of external of right and left valves. H. SEM of prodissoconch.
Fig. 2 in Taxonomy of some Galeommatoidea (Mollusca, Bivalvia) associated with deep-sea echinoids: A reassessment of the bivalve genera Axinodon Verrill & Bush, 1898 and Kelliola Dall, 1899 with descriptions of new genera Syssitomya gen. nov. and Ptilomyax gen. nov.
Fig. 2. Holotype of Kellia symmetros Jeffreys, 1876, USNM 170626. A-B. SEM of hinges of right and left valves. C-D. SEM of internal of right and left valves. E-F SEM of external of right and left valves. G-H. photo micrographs of internal and external of right valve.
Figure 9 in Behaviour and habitat of Neohela monstrosa (Boeck, 1861) (Amphipoda: Corophiida) in Norwegian Sea deep water
Figure 9. Glacial eelpout (Lycodes frigidus) is often observed in the same habitat as dense populations of Neohela monstrosa and may represent an important predator from which the latter has to hide in its burrow.
Illuminating the impact of diel vertical migration on visual gene expression in deep-sea shrimp
<p>Diel vertical migration (DVM) of marine animals represents one of the largest migrations on our planet. Migrating fauna are subjected to a variety of light fields and environmental conditions that can have notable impacts on sensory mechanisms, including an organism's visual capabilities. Among deep-sea migrators are oplophorid shrimp, that vertically migrate hundreds of meters to feed in shallow waters at night. These species also have bioluminescent light organs that emit light during migrations to aid in camouflage. The organs have recently been shown to contain visual proteins (opsins) and genes that infer light sensitivity. Knowledge regarding the impacts of vertical migratory behavior, and fluctuating environmental conditions, on sensory system evolution is unknown. In this study, the oplophorid <i>Systellaspis debilis</i> was either collected during the day from deep waters or at night from relatively shallow waters to ensure sampling across the vertical distributional range. <i>De novo </i>transcriptomes of light sensitive tissues (eyes/photophores) from the <i>Day/Night </i>specimens were sequenced and analyzed to characterize opsin diversity and visual/light interaction genes. Gene expression analyses were also conducted to quantify expression differences associated with DVM. Our results revealed an expanded opsin repertoire among the shrimp and differential opsin expression that may be linked to spectral tuning during the migratory process. This study sheds light on the sensory systems of a bioluminescent invertebrate and provides additional evidence for extraocular light sensitivity. Our findings further suggest opsin coexpression and subsequent fluctuations in opsin expression may play an important role in diversifying the visual responses of vertical migrators.</p>
Figure 6 in New genera and species of Urothoidae (Amphipoda) from the Brazilian deep sea, with the re-assignment of Pseudurothoe and Urothopsis to Phoxocephalopsidae
Figure 6. Carangolioides hamatus gen. et sp. nov., holotype, female, 5.4 mm, 22°04′32″ S, 39°54′11″ W, 750 m depth, MNRJ21434. Scale bars: 0.5 mm.
Figure 9 in New genera and species of Urothoidae (Amphipoda) from the Brazilian deep sea, with the re-assignment of Pseudurothoe and Urothopsis to Phoxocephalopsidae
Figure 9. Coronaurothoe rotunda gen. et sp. nov., sex unknown, 3.0 mm, 21°52′59″ S, 39°55′32″ W, 750 m depth, MNRJ 21443. Scale bars: 0.5 mm.
Figure 8 in New genera and species of Urothoidae (Amphipoda) from the Brazilian deep sea, with the re-assignment of Pseudurothoe and Urothopsis to Phoxocephalopsidae
Figure 8. Coronaurothoe rotunda gen. et sp. nov., sex unknown, 3.0 mm, 21°52′59″ S, 39°55′32″ W, 750 m depth, MNRJ 21443. Scale bars: 0.1 mm for U1; 0.2 mm for U2°3; 0.5 mm for all others.
Figure 10 in Ontogeny of the deep-sea cranchiid squid Teuthowenia pellucida (Cephalopoda: Cranchiidae) from New Zealand waters
Figure 10. Development of fin shape between juvenile and sub-adult stages (stages E and F) of Teuthowenia pellucida. Specimen maturation from left to right.
Figure 8 in Ontogeny of the deep-sea cranchiid squid Teuthowenia pellucida (Cephalopoda: Cranchiidae) from New Zealand waters
Figure 8. Arm modifications in adult Teuthowenia pellucida. Brachial end organ (A) on the tips of all arms in mature females; (B) four series of small suckers on the distal tip of arms I and II in adult males. Scale bar = 1 cm.
Figure 6 in Ontogeny of the deep-sea cranchiid squid Teuthowenia pellucida (Cephalopoda: Cranchiidae) from New Zealand waters
Figure 6. Simplified diagram of eye photophores and lens from (A) anterior view and (B) ventral side of the eye in adult Teuthowenia pellucida.
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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.