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42 results for “Epizoanthus”
Epizoanthus planus SPAdes preassembly
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FIGURE 17 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 17. Cnida abundance, as percentage of the total count, in squashes from polyps of carcinoecia and free-living colonies. A, Spirocysts in tentacles, comparing large and small polyps in each colony; B, Basitrichs in tentacles, comparing carcinoecia and free-living colonies; C, Holotrichs in tentacles, comparing large and small polyps in each colony; D, p- mastigophores in the mesenteric filaments, comparing large and small polyps in each colony. L = largest, S = smallest polyp in a colony of 3, 4 or 5 polyps; C = carcinoecium, F = free-living colony.
FIGURE 16 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 16. Shaft length as a percentage of capsule length vs capsule length is p-mastigophores from the mesenteric filaments of Epizoanthus papillosus carcinoecia and free-living colonies. Error bars are 95% confidence limits.
FIGURE 12 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 12. Scyphozoan nematocysts sequestered by two Epizoanthus papillosus carcinoecia; all from the zoanthid's mesenteric filaments. A–B, Intact and exploded euryteles from polyp 4L; C–D, Intact and exploded O-isorhizas from polyp 4L; E, Unexploded a-isorhiza from polyp 4L; F, Exploded birhopaloid from polyp 3S; G–H, Intact and exploded large A-isorhizas from polyp 3S. Polyps are identified by the number of polyps in the colony (3–4) and whether they were the largest (L) or smallest (S). Unmarked scale bars = 10 µm. Nematocyst nomenclature from Östman & Hydman (1997).
FIGURE 14 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 14. Length and width of holotrichs in carcinoecia and free-living colonies of Epizoanthus papillosus. Error bars are ± one standard deviation; n=50.
FIGURE 11 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 11. Unexploded cnidae of Epizoanthus papillosus. A, p-mastigophore (large type), from mesenteric filament of freeliving colony, polyp 4S; B, p-mastigophore (small type), from mesenteric filament of carcinoecium, polyp 3L; C, holotrich (oblong shape), from mesenteric filament of free-living polyp 4L; D, holotrich (ellipsoid shape), from mesenteric filament of free-living colony, polyp 4S; E, basitrich (curved), from tentacle of free-living colony, polyp 5S; F, spirocyst from tentacle of free-living colony, polyp 3L. Polyps are identified by the number of polyps in the colony (3–5) and whether they were the largest (L) or smallest (S) polyp in a colony of 3, 4 or 5 polyps. Scale bars = 10 µm.
FIGURE 9. Epizoanthus morphology. A, B in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 9. Epizoanthus morphology. A, B, Selection of largest (squares) and smallest (circles) polyps in a free-living colony and a carcinoecium, both having four polyps; scale bars = 5 mm; C–E, Transverse and longitudinal sectioning to display mesenteries for counting and for nematocyst removal; F, Determination of radius of curvature (R) in basitrichs (see text).
FIGURE 10 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 10. Relationship between number of perfect mesenteries (M) and polyp mean column diameter (D) in carcinoecia and free-living colonies of Epizoanthus papillosus. Labels indicate the number of polyps in the sampled colony. Drawn lines represent geometric mean regressions: carcincoecia M=2.26D + 7.92, r=0.84, P<0.005; free-living colonies M=2.24D + 5.63, r=0.80, P<0.01.
FIGURE 8 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 8. Depth distribution of Epizoanthus species. A, Depth range of E. papillosus samples in the Eastern and Western Atlantic (note that the first two intervals cover 150 m, the remainder 300 m). B, Depth ranges of E. papillosus (in the western Atlantic), E. paguriphilus and E. abyssorum compared by means of cumulative percentage curves (as in C, anomalous points distort the curves). C, Depth ranges of E. paguriphilus and E. abyssorum plotted against longitude (note the presence of three anomalous points in the Western Atlantic data, probably misidentifications).
FIGURE 6 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 6. Epizoanthus papillosus colonies epizoic on calcareous polychaete tubes (T) and on either gorgonian or hydroid stems; scale bar = 1 cm; eastern Atlantic, from Muirhead (1989).
FIGURE 7 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 7. The distribution of Epizoanthus species in the western (left) and eastern (right) North Atlantic ocean. Western Atlantic distributions are based on specimens in collections of the US National Museum, Washington, ⋅ E. papillosus (1880- 1914); Δ(1950-1990); insert shows area to south of Cape Cod at enlarged scale. Eastern Atlantic distributions • E. papillosus data based on surveys by UK and Spanish organisations (see text), 1996-2000. In both maps: • E. paguriphilus and • E. abyssorum compiled from collections in the (then) Institute of Oceanographic Sciences (IOS), the USNM, and other museums. The latitudinal ranges of these two species in the Atlantic Ocean extend beyond the limits of the two maps; E. papillosus has also been recorded from around the Cape Verde islands and in the Gulf of Mexico (one record, 27.80°N, 85.00°W). Ocean depth is indicated by tone (scale to right of maps), with a conspicuous change of tone at the shelf margin. Map prepared by J Pitts, Marine Ecological Surveys Ltd (MESL); base map GEBCO_08 Grid, version 20091120, http://www.gebco.net.
FIGURE 5 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 5. Comparison of carcinoecia and free-living colonies of Epizoanthus papillosus and E. abyssorum. A, E. papillosus carcinoecia in dorsal and ventral views; B, free-living colonies of E. papillosus; both sets from the eastern Atlantic; C–D, E. abyssorum carcinoecia with pagurid; E, free-living colonies of E. abyssorum; specimens from the 'Valdivia' expedition in collections at the Scripps Institution of Oceanography.
FIGURE 4 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 4. The dependence of Epizoanthus papillosus on Anapagurus laevis in the North Sea (Zühlke, et al., 2001, with permission). A, In recent benthic surveys the heaviest sampling has been in the Southern Bight, where neither A. laevis nor E. papillosus occurs (effort in the sea area between the Northen Isles and Norway is not shown); B, Distribution of Pagurus bernhardus (with which E. papillosus is occasionally associated); C, Distribution of A. laevis; D, Distribution of E. papillosus. Note that neither A. laevis nor E. papillosus extends into the deep water of the Norwegian Rinne, the Skagerrak, or the shallow water (<50 m) over and south of the Dogger Bank (see Directorate of Fisheries Research (1981) for bathymetry and physical data).
FIGURE 1 in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 1. Live colonies of Epizoanthus: A–B, E. papillosus; C, E. couchii; D–H, E. minutus. A, Expanded polyps of E. papillosus carcinoecia in aquarium, western Norway, November 1959, JSR; B, Two carcinoecia of E. papillosus in aquarium, the pagurid visible on the right (source as A); C, E. couchii, southwest Britain, photo: D N Huxtable; D–E, E. minutus with expanded polyps, from Peanut Island, West Palm Beach, Florida, February 1993, JSR; F–H, E. minutus growing on glass plates, showing polyps growing without embedded sand particles, September 1993 (source as D). All photographs are scanned from 35 mm colour transparencies.
FIGURE 3. A–B in Carcinoecium-forming Epizoanthus [Hexacorallia: Zoantharia] and the biology of E. papillosus in the eastern Atlantic, with special reference to the cnidom
FIGURE 3. A–B, Growth sequence of Epizoanthus papillosus carcinoecia: eight specimens arranged with their largest polyps aligned, A, dorsal view, B, ventral view, scale bar = 1 cm. C–D, dorsal and ventral views of well-grown carcinoecium; scale bars 0.5 cm; eastern Atlantic, from Muirhead (1989).
FIGURE 1. A. Epizoanthus giveni n in Three new species of shallow water, yellow zoanthids (Hexacorallia: Zoanthidea: Epizoanthidae) from southern California, USA, and southern Australia
FIGURE 1. A. Epizoanthus giveni n. sp. in life, attached to a rock wall. Note vivid yellow color and polyps of various sizes. Photograph by Daniel W. Gotshall, with permission. B. Epizoanthus scotinus in life. Note wider oral disc and paler column, tentacles, and oral disc as compared to E. giveni n. sp. Photograph by Daniel W. Gotshall, with permission. C. Epizoanthus karenae n. sp. in life. Note radiating dark-orange lines on oral disc. Photograph by Karen Gowlett-Holmes, with permission. D. Epizoanthus rodmani n. sp. in life. Note lack of radiating lines on oral disc. Photograph by Karen Gowlett-Holmes, with permission. Scale bars = 2 cm; scale was determined in consultation with the photographers.
Epizoanthus illoricatus SPAdes preassembly
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Epizoanthus planus decontaminated FSCR
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Epizoanthus ramosus decontaminated FSCR
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Epizoanthus rinbou decontaminated FSCR
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