Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
20
datasets available to search
ShareScore release 0.9.0
Dataset results
20 results for “epitoke”
Fig. 2. Glycera nicobarica Grube, 1866. A in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan
Fig. 2. Glycera nicobarica Grube, 1866. A, Whole body, epitokous male (NSMT-Pol 111422), dorsal view; B, enlargement of proboscis and prostomium, epitokous male (NSMT-Pol 111422), dorsal view; C, anterior part of an atoke with everted proboscis (NSMT-Pol 111429), lateral view; D, spermatozoon obtained from an epitokous male (NSMT-Pol 111426). Scale bars: 5 mm (A, C); 1 mm (B); 5 µm (D).
Fig. 6. Glycera nicobarica Grube, 1866 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan
Fig. 6. Glycera nicobarica Grube, 1866. Comparison of parapodia and chaetal arrangement in chaetiger 110 between epitoke (A) and atoke (B), posterior view. A, Epitokous female, 1.9 mm BW, NSMT-Pol 111427; B, atoke, 1.8 mm BW, NSMT-Pol 111428. Scale bar: 0.2 mm.
Fig. 1 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan
Fig. 1. Collection sites of epitokes (solid circles) and atokes (open circles) of Glycera nicobarica Grube, 1866 in the Seto Inland Sea and Ariake Sea, Japan. 1, Uno Port, Okayama Prefecture; 2, Tadanoumi, Hiroshima Prefecture; 3, Imabari Port, Ehime Prefecture; 4, Yanai Port, Yamaguchi Prefecture; 5, off Nagashima Island, Kaminoseki, Yamaguchi Prefecture; 6, Himeshima Port, Oita Prefecture; a, Kasaoka Bay, Okayama Prefecture; b, Kure, Hiroshima Prefecture; c, Bouchi-no-su, Ehime Prefecture; d, Nukari-no-seto, Hiroshima Prefecture; e, off Iwaijima Island, Yamaguchi Prefecture; f, Kojiro-nagahama, Isahaya Bay, Nagasaki Prefecture.
Fig. 4. Glycera nicobarica Grube, 1866 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan
Fig. 4. Glycera nicobarica Grube, 1866. Scanning electron micrographs of two kinds of papillae on proboscis. A, B, Epitokous male (NSMT-Pol 111423); C, D, atoke (NSMT-Pol 111429). A, C, conical papillae with 3 U-shaped ridges; B, D, oval papilla. Scale bars: 10 µm.
Fig. 9 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan
Fig. 9. Small holes (one arrowed) on ventral surface of bases of parapodia of spent G. nicobarica Grube, 1866 (MS). Scale bar: 0.1 mm.
Fig. 8 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan
Fig. 8. Timing of reproductive swimming of epitokes of Glycera nicobarica Grube, 1866 at six sites in July to November in 2009 to 2011. Numbers above black squares indicate the number of epitokes collected on each ocassion. The locality numbers () correspond to those in Fig. 1.
Fig. 7 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan
Fig. 7. Presumed parasites attached to epitokous males of Glycera nicobarica Grube, 1866. A, Copepod (arrow) (NSMT-Cr 22387) attached to parapodia of male (NSMT-Pol 111425); B, enlargement of copepod, dorsal view; C, nematodes (arrows) (NSMT-As 3962) attached to parapodia in mid-body of another male (NSMT-Pol 111424); D, enlargement of nematode. Scale bars: 0.5 mm (A–C); 0.1 mm (D).
Figure 7. Nereis anoculepitoka parapodia under stereomicroscope. A, atoke. B, male epitoke. C in Revealing a new eyeless Nereis (Nereididae: Annelida) clade from deep-sea organic falls
Figure 7. Nereis anoculepitoka parapodia under stereomicroscope. A, atoke. B, male epitoke. C, female epitoke. Scale bars: 1 mm in A–C.
FIGURE 17. Alitta williami nom. nov., epitoke male. A–K in Revision of the Alitta virens species complex (Annelida: Nereididae) from the North Pacific Ocean
FIGURE 17. Alitta williami nom. nov., epitoke male. A–K. Topotype (USNM 1458023), San Juan Archipelago, Washington, USA. L. Topotype (USNM 27917), same location. A. Entire body, dorsal view (arrow pointing first natatory chaetiger). B. Anterior region, frontal view. C. Same, lateral view. D. Anterior segments with bulging ventral end (pointed by arrows). E–K. Parapodia, posterior (left) and anterior (right) views (numbers refer to the chaetiger). L. Posterior region, dorsal view. Arrows: E, black, superior lobe; white, inferior lobe; I, black, lamella of postchaetal lobe; white, prechaetal lobe; orange, inferior lobe. Scale bars: A, 20 mm; B, D, 5 mm; C, 10 mm; E, 1 mm; F–K, 2 mm.
Figure 9 from: Azmi SS, Ibrahim YS, Angsupanich S, Sumpuntarat P, Sato M (2021) Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula. ZooKeys 1011: 1-24. https://doi.org/10.3897/zookeys.1011.59780
Figure 9 Early development of Neanthes glandicincta (Southern, 1921) after fertilisation in the laboratory. The material from the Lower Songkhla Lagoon, Thailand A fertilised egg surrounded by a jelly layer (j), 10 min after fertilisation; many sperm were trapped in the jelly layer; lipid (oil) drops (o) surrounded the germinal vesicle B 4-cell stage, 1 h and 10 min after fertilisation C early trochophore stage, 7 h and 30 min after fertilisation; ciliary movement of the prototroch (p) began within the jelly layer D free-swimming trochophore larva just after hatching out of the jelly layer, 8 h after fertilisation; ciliary bands of the prototroch and telotroch (t) were present E free-swimming early-metatrochophore larva, 20 h after fertilisation; two pairs of chaetal tufts (c) were present F free-swimming 2-chaetiger late-metatrochophore larva, 21 h after fertilisation; two pairs of chaetal tufts well developed G free-swimming early 3-chaetiger nectochaeta larva, 22 h after fertilisation; three pairs of chaetal tufts were developed; the prototroch and lipid drops remained in the anterior body H demersal late 3-chaetiger nectochaeta larva, 48 h after fertilisation; a pair of eyes (e), antennae (a), and anal cirri (ac) appeared. Lipid drops disappeared. Scale bars: 0.2 mm.
Figure 5 from: Azmi SS, Ibrahim YS, Angsupanich S, Sumpuntarat P, Sato M (2021) Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula. ZooKeys 1011: 1-24. https://doi.org/10.3897/zookeys.1011.59780
Figure 5 Female epitoke of Neanthes glandicincta (Southern, 1921) collected from Kuala Ibai, Malaysia (UMTAnn 449) A dorsal view of the whole-body B enlargement of anterior end C enlargement of eyes D rupture of body wall at the ventral surface in the posterior body (arrow). Scale bars: 1 mm (A); 0.5 mm (B–D).
Figure 3 from: Azmi SS, Ibrahim YS, Angsupanich S, Sumpuntarat P, Sato M (2021) Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula. ZooKeys 1011: 1-24. https://doi.org/10.3897/zookeys.1011.59780
Figure 3 Epitokous males (A, C) and females (B, D) of Neanthes glandicincta (Southern, 1921) collected from the Lower Songkhla Lagoon, Thailand (PMBC 20732) in comparison with an atoke from the same locality (E) (PMBC 21209) A dorsal view of the whole body of a male B dorsal view of the anterior body of a female C–E enlargement of anterior dorsal end of a male epitoke (C), a female epitoke (D), and an atoke (E). Scale bars: 5 mm (A, B); 0.5 mm (C–E).
Figure 2 from: Azmi SS, Ibrahim YS, Angsupanich S, Sumpuntarat P, Sato M (2021) Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula. ZooKeys 1011: 1-24. https://doi.org/10.3897/zookeys.1011.59780
Figure 2 Atokes (A–F) and an epitoke (G) of Neanthes glandicincta (Southern, 1921) collected from the Lower Songkhla Lagoon, Thailand A prostomium of an atoke (ind. no. 10 with BW of 1.7 mm, PMBC 21209) B anterior view of an everted proboscis, showing a pair of small nipple-like round papillae on area VI in an atoke (ind. no. SL-2 with BW of 1.5 mm, PMBC 21212) C–F paragnaths in areas I (C), II (anterior and middle parts of left side, D), III (central part, E), and IV (right side, F) of an atoke (ind. no. 1 with BW of 2.3 mm, PMBC 21209) G dorsal (upper) and ventral (lower) views of the right jaw of a male epitoke (ind. no. 3M with BW of 1.2 mm, PMBC 20732).
Figure 4 from: Azmi SS, Ibrahim YS, Angsupanich S, Sumpuntarat P, Sato M (2021) Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula. ZooKeys 1011: 1-24. https://doi.org/10.3897/zookeys.1011.59780
Figure 4 Male epitoke of Neanthes glandicincta (Southern, 1921) collected from Kuala Ibai, Malaysia (UMTAnn 453) A dorsal view of the whole body (incomplete, with the pre-natatory and natatory regions) B dorsal view of the proboscis with pigmentation C ventral view of the proboscis with pigmentation. Scale bars: 1 mm (A); 0.5 mm (B, C).
Figure 7 from: Azmi SS, Ibrahim YS, Angsupanich S, Sumpuntarat P, Sato M (2021) Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula. ZooKeys 1011: 1-24. https://doi.org/10.3897/zookeys.1011.59780
Figure 7 Epitokous males (A, B, E) and a female (C, D) of Neanthes glandicincta (Southern, 1921) collected from the Lower Songkhla Lagoon, Thailand (PMBC 20732) A anterior view of left parapodium of chaetiger 5 in the pre-natatory region of a male epitoke B anterior view of right modified parapodium of chaetiger 34 in the natatory region of the same male as (A) C posterior view of right parapodium of chaetiger 3 of a female epitoke D posterior view of right parapodium of chaetiger 37 of the same female as (C) E enlargement of an epitokous paddle chaeta of another male epitoke. Abbreviations: dc, dorsal cirrus; vc, ventral cirrus. Scale bars: 0.1 mm (A, C); 0.5 mm (B, D); 0.05 mm (E).
Figure 1 from: Azmi SS, Ibrahim YS, Angsupanich S, Sumpuntarat P, Sato M (2021) Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula. ZooKeys 1011: 1-24. https://doi.org/10.3897/zookeys.1011.59780
Figure 1 Map showing the collection sites (closed circles) in two estuaries on the east coast of the Malay Peninsula A lower Songkhla Lagoon, Thailand B mangrove area in Kuala Ibai branched from Sungai Ibai in Terengganu, Malaysia.
Figure 6 from: Azmi SS, Ibrahim YS, Angsupanich S, Sumpuntarat P, Sato M (2021) Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula. ZooKeys 1011: 1-24. https://doi.org/10.3897/zookeys.1011.59780
Figure 6 Drawings of epitokes of Neanthes glandicincta (Southern, 1921) collected from Kuala Ibai, Malaysia A posterior view of the right parapodium 8 in the pre-natatory region of a male (UMTAnn 453) B posterior view of the right parapodium 35 in the natatory region of a male (UMTAnn 445) C anterior view of the left parapodium 35 of a female (UMTAnn 449) D posterior view of the right parapodium 66 in the post-natatory region of a male (UMTAnn 446) E heterogomph spiniger from the lower neurochaetae in chaetiger 8 of a male (UMTAnn 453) F homogomph spiniger from the upper neurochaetae in chaetiger 8 of a male (UMTAnn 453) G heterogomph falciger from the lower neurochaetae in chaetiger 36 of a female (UMTAnn 449) H epitokous natatory chaeta from the neuropodium of chaetiger 36 of a male (UMTAnn 453). Scale bars: 1 mm (A–D); 0.05 mm (E–H).
Figure 8 from: Azmi SS, Ibrahim YS, Angsupanich S, Sumpuntarat P, Sato M (2021) Epitokous metamorphosis, reproductive swimming, and early development of the estuarine polychaete, Neanthes glandicincta Southern, 1921 (Annelida, Nereididae) on the east coast of the Malay Peninsula. ZooKeys 1011: 1-24. https://doi.org/10.3897/zookeys.1011.59780
Figure 8 Seasonal changes of environmental parameters in Kuala Ibai, Malaysia during the sampling period A monthly changes in the salinity and temperature of the surface water at the sampling site (represented by our data at the end of each month) B monthly changes in the amount of rainfall and average air temperature at Kuala Ibai based on the data of Malaysian Meteorological Department C monthly changes of the maximum height of sea level at high tide (closed circles), with the height of sea level at high tide on each sampling date (x marks), based on the data of Worldwide Tides and Currents Predictor (2018). The asterisks indicate the months when the swimming epitokes of Neanthes glandicincta appeared.
Fig. 5. Glycera nicobarica Grube, 1866 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan
Fig. 5. Glycera nicobarica Grube, 1866. Comparison of parapodia between epitokes (A–E) and atokes (F–J) of comparable body width, posterior view. A, Epitokous male, 2.8 mm BW, NSMT-Pol 111424; B–D, epitokous female, 2.0 mm BW, NSMT-Pol 111427; E, epitokous female, 2.6 mm BW, CMNH-ZW 002078; F, J, atoke, 2.8 mm BW, NSMT-Pol 111430; G–I, atoke, 1.8 mm BW, NSMT-Pol 111428. A, F, Chaetiger 1; B, G, chaetiger 4; C, H, chaetiger 34; D, I, chaetiger 110; E, J, chaetiger 180. Scale bar: 0.2 mm.
Fig. 3 in First Record of Epitokous Metamorphosis and Swimming Behaviour of Glycera nicobarica (Polychaeta: Glyceridae), in the Seto Inland Sea, Western Japan
Fig. 3. Epitokous female of Glycera nicobarica Grube, 1866 (NSMT-Pol 111427). A, Dorsal view of prostomium with 11 rings; B, conical papilla on proboscis with 3 U-shaped ridges; C, oval papilla on proboscis; D, aileron with triangular base; E, right parapodium of chaetiger 34 with everted branchia, anterior view; F, simple capillary from notopodium of chaetiger 110; G, spinigerous compound chaeta from neuropodium of chaetiger 110. Scale bars: 1 mm (A); 0.02 mm (B, C); 0.2 mm (D, E); 0.01 mm (F, G).
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.