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1,478 results for “coral reefs”
FIGURE 25 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 25. Chalinula aff. molitba (de Laubenfels, 1949) (CNPGG-2359), skeleton and spicules: A. transversal section of the skeleton; B. detail of transversal skeleton showing a reticulation of spongin fibers and reticulation of oxeas more than one spicule long; C. oxeas. Scale bars: A = 250 µm; B = 100 µm; C = 25 µm
FIGURE 22. Placospongia ruetzleri van Soest, 2017 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 22. Placospongia ruetzleri van Soest, 2017 (CNPGG-2391), skeleton and spicules: A. tangential section of ectosomal region showing a dense layer of selenasters; B. transversal section of the skeleton with tracts of tylostyles in the choanosomal region; C. tylostyles, and selenaster; D. large tylostyles and selenasters; E. small tylostyles; F. 1—selenaster, 2—spiraster and 3—acanthomicrohabd; G. different growth stages of selenaster; H. spiraster; I. a stout spiraster; J. acanthomicrohabds. Scale bars: A–B = 250 µm; C = 100 µm; D–E = 50 µm; F–G = 50 µm; H–J = 10 µm.
FIGURE 34 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 34. Neopetrosia subtriangularis (Duchassaing, 1850) (CNPGG-2435), skeleton and spicules: A. transversal section of the skeleton; B. oxeas, C. strongyle. Scale bars: A = 500 µm; B = 50 µm.
FIGURE 28 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 28. Haliclona (Reniera) aff. portroyalensis Jackson, de Weerdt & Webber, 2006 (CNPGG-2477), skeleton and spicules: A. tangential section of the skeleton of the ectosomal region; B. transversal section of the skeleton of the choanosomal region; C. oxeas, 1— juvenile forms raphides-like oxeas and 2—toxa; D. oxeas in detail; E. toxas in ectosomal region; F. toxas in detail. Scale bars: A–B = 100 µm; C–F = 25 µm.
FIGURE 19 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 19. Cliona varians (Duchassaing & Michelotti, 1864) (CNPGG-2188), spicules: A–B. tylostyles. Scale bars: A–B = 100 µm.
FIGURE 20 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 20. Spirastrella coccinea (Duchassaing & Michelotti, 1864) (CNPGG-2251), skeleton and spicules: A. transversal section of the skeleton, showing one tract of tylostyles; B. detail of the ectosomal region with tylostyles and spirasters; C. tylostyles and spirasters; D. 1—spirasters I, 2—spirasters II and 3—spirasters III. Scale bars: A–C = 100 µm; D = 25 µm.
FIGURE 42 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 42. Clathria (Clathria) gomezae van Soest, 2017 (CNPGG-2231), skeleton and spicules: A. transversal section of the skeleton; B. detail of the ectosomal and choanosomal regions; C. choanosomal principal styles; D. ectosomal auxiliary subtylostyles, white arrows pointing to palmate isochelae and a black arrow pointing to large and small categories of cleistochelae; E. ectosomal auxiliary subtylostyles, white arrow pointing to a large cleistochelae (large category of size) and black arrow pointing to a small cleistochelae (small category of size); F. palmate isochelae (white arrow pointing to two of it) and large and small categories of cleistochela. G. toxa. Scale bars. A = 500 µm; B = 150 µm; C = 100 µm; D = 50 µm; E–F = 25 µm; G = 200 µm.
FIGURE 18 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 18. Cliona dioryssa (CNPGG-2165), skeleton and spicules: A. transversal section of the skeleton; B. tylostyles and spirasters. Cliona flavifodina (CNPGG-2386), habitus and spicules: C. burrowing habit (into a piece of coral); D. tylostyles and spirasters, arrows pointing to spirasters (one zoomed in). Scale bars: A–B and D (including zoomed-in) = 25 µm; C = 10 mm.
FIGURE 41 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 41. Clathria (Clathria) foliacea Topsent, 1889 (CNPGG-2463), skeleton and spicules: A. section transversal of the skeleton; B. detail of the ectosomal and choanosomal regions; C. ectosomal auxiliary style and choanosomal acanthostyle, arrows pointing to palmate isochelae; D. choanosomal principal tylostyles (larger ones) and choanosomal auxiliary subtylostyle (smaller ones), arrow pointing to toxa; E. choanosomal auxiliary subtylostyles; F. toxa; G. palmate isochelae. Scale bars. A = 500 µm; B = 250 µm; C, E = 50 µm; D = 100 µm; F = 25 µm; G = 10 µm.
FIGURE 55 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 55. Svenzea cristinae Alvarez, van Soest & Rützler, 2002 (CNPGG-2474), skeleton and spicules: A. transversal section of the skeleton; B. detail of the choanosomal regions; C. styles. Scale bars: A = 250 µm; B = 100 µm; C = 50 µm.
FIGURE 44 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 44. Clathria (Thalysias) virgultosa (Esper, 1806) (CNPGG-2357), skeleton and spicules: A. transversal section of skeleton; B. detail of the ectosomal region; C. detail of the choanosomal region; D. choanosomal principal style (larger form) and choanosomal auxiliary style (smaller form); E. ectosomal auxiliary subtylostyles, the arrow pointing to acanthostyles; F. acanthostyles; G. rhaphidiform toxas; H. palmate isochelae. Scale bars. A = 500 µm; B = 200 µm; C = 250 µm; D = 100 µm; E = 50 µm; F–G = 25 µm; H = 5 µm.
FIGURE 15. Cliona aprica Pang, 1973 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 15. Cliona aprica Pang, 1973 (CNPGG-2298), spicules: A. tylostyles; B. tylostyles in detail; C. tylostyle with a polytylote base; arrows pointing to spirasters D. tylostyle, small and very thin; E. spiraster. Scale bars: A = 100 µm; B = 50 µm; C–E = 10 µm.
FIGURE 14 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 14. Desmanthus meandroides van Soest & Hajdu, 2000 (CNPGG-2389), skeleton and spicules: A. transversal section of the skeleton; B. detail of the skeleton base, arrows pointing to sub-ectosomal channels; C. detail of the sub-ectosomal layer with desmas in the skeleton base; D. styles; E. desmas I strongly ramified cladome; F. desmas I with a slender appearance; G–I. desmas II, arrow pointing to rhabdome. Scale bars: A–D = 100 µm; E–I = 50 µm.
FIGURE 49 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 49. Desmapsamma anchorata (Carter, 1882) (CNPGG-2443), skeleton and spicules: A. transversal section of the skeleton; B. oxeas and sigmas, the arrow pointing to a small sigma; C. sigmas and anchorate isochelae. Scale bars: A = 500 µm; B = 20 µm; C = 10 µm.
FIGURE 16 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 16. In situ photographs of species analyzed in the present study: A. Agelas clathrodes (Schmidt, 1870) (CNPGG- 2297); B. Agelas conifera (Schmidt, 1870) (CNPGG-2373); C. Agelas dispar Duchassaing & Michelotti, 1864 (CNPGG-2007); D. Agelas schmidtii Wilson, 1902 (CNPGG-2285);E. Agelas sventres Lehnert & van Soest, 1996 (CNPGG-2285); F. Agelas wiedenmayeri Alcolado, 1984 (CNPGG-2476); G. Prosuberites carriebowensis Rützler, Piantoni, van Soest & Díaz, 2014 (CNPGG-2211); H. Ectyoplasia ferox (Duchassaing & Michelotti, 1864) (CNPGG-2407); I. Ectyoplasia ferox (Duchassaing & Michelotti, 1864) (CNPGG-2240); J. Dragmacidon reticulatum (Ridley & Dendy, 1886) (CNPGG-2283); K. Ptilocaulis walpersii (Duchassaing & Michelotti, 1864) (CNPGG-2171); L. Myrmekioderma rea (de Laubenfels, 1934) (CNPGG-2261); M. Neofibularia nolitangere (Duchassaing & Michelotti, 1864) (CNPGG-2206); N. Desmanthus meandroides van Soest & Hajdu, 2000 (CNPGG-2389); O. Cliona aprica Pang, 1973 (CNPGG-2298). Scale bars, A–O = 1 cm.
FIGURE 13 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 13. Neofibularia nolitangere (Duchassaing & Michelotti, 1864) (CNPGG-2206), skeleton and spicules: A. transversal section of the skeleton; B. detail of the choanosomal region; C. strongyles, microxeas (1, black arrow), raphides and sigmas (2, white arrow). Scale bars: A = 200 µm; B = 100 µm; C–F = 50 µm.
FIGURE 47 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 47. Monanchora arbuscula (Duchassaing & Michelotti, 1864) (CNPGG-2204), skeleton and spicules: A. transversal section of the skeleton; B. detail of choanosomal region; C. choanosomal subtylostyles; D. ectosomal subtylostyles, the arrow pointing to an anchorate chelae; E. ectosomal subtylostyles, the arrow pointing to a sigmoid chelae; F. Sigma. Scale bars: A = 500 µm; B = 250 µm; C = 150 µm; D–E = 20 µm; F = 10.
FIGURE 23 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 23. Callyspongia (Callyspongia) fallax Duchassaing & Michelotti, 1864 (CNPGG-2239), skeleton and spicules: A. tangential section of the ectosomal skeleton; B. detail of the ectosomal region; C. transversal section of the skeleton; D. detail of the choanosomal region; E. oxeas; F. oxea in detail. Scale bars: A and C = 500 µm; B and D = 100 µm; E = 50 µm; F = 10 µm.
FIGURE 11 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 11. Ptilocaulis walpersii (Duchassaing & Michelotti, 1864) (CNPGG-2300), skeleton and spicules: A. transversal section of skeleton; B-C. large and small styles I and II. Scale bars: A = 500 µm; B–C = 100 µm.
FIGURE 45 in An update on the diversity of marine sponges in the southern Gulf of Mexico coral reefs
FIGURE 45. In situ photographs of species analyzed in the present study: A. Neopetrosia proxima Duchassaing & Michelotti, 1864 (CNPGG-2264); B. Neopetrosia proxima Duchassaing & Michelotti, 1864 (CNPGG-2376); C. Neopetrosia subtriangularis (Duchassaing, 1850) (CNPGG-2435); D. Petrosia (Petrosia) weinbergi van Soest, 1980 (CNPGG-2434). E. Xestospongia muta (Schmidt, 1870) (CNPGG-2230); F. Siphonodictyon xamaycaense Pulitzer-Finali, 1986 (CNPGG-2441), arrows pointing to fistules; G. Siphonodictyon xamaycaense Pulitzer-Finali, 1986 (CNPGG-2432); H. Clathria (Clathria) foliacea Topsent, 1889 (CNPGG-2172), its stem is covered by algae; I. Clathria (Clathria) gomezae van Soest, 2017 (CNPGG-2231); J. Clathria (Thalysias) venosa (Alcolado, 1984) (CNPGG-2410); K. Clathria (Thalysias) virgultosa (Esper, 1806) (CNPGG-2357). Scale bars, A–K = 1 cm.
ScienceDex guides
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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.