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386 results for “Sea anemone”
FIGURE 6 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 6. — Lebrunia danae. (A) Live specimen in natural habitat. (B) Oral view. (C) Pedal disc view. (D) Lateral view. (E) Cross section through distal column. (F) Cross section through proximal column. (G – O) Cnidae. — tentacle: (G) microbasic p - amastigophore, (H) spirocyst; actinopharynx: (I) microbasic p - amastigophore; column: (J) basitrich, (K) microbasic p - amastigophore; filament: (L) microbasic p - amastigophore; pseudotentacle: (M) basitrich, (N) microbasic p - amastigophore, (O) macrobasic p - amastigophore. Abbreviations. — c: column, dm; directive mesenteries, od: oral disc, pb: parietobasilar muscle, pd: pedal disc, pse: pseudotentacle, rm: retractor muscle, s: siphonoglyph, spe: spermatic cyst, o: oocyte, t: tentacle. Scale bars. — A – D: 10 mm; E – F: 200 µm; H – K, M – N: 25 µm; G, O: 17.5 µm; L: 15 µm.
FIGURE 5 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 5. — Condylactis gigantea. (A) Live specimen in natural habitat. (B) Oral view. (C) Lateral view. (D) Pedal disc view. (E) Cross section through distal column. (F) Detail of longitudinal section through column margin. (G – O) Cnidae. — tentacles: (G) basitrich, (H) spirocyst; actinopharynx: (I) basitrich, (J) basitrich; column: (K) basitrich, (L) basitrich; filament: (M) basitrich, (N) basitrich, (O) microbasic p - mastigophore. Abbreviations. — c: column, e: epidermis, fi: filament, fo: fossa, g: gastrodermis, od: oral disc, pb: parietobasilar muscles, pd: pedal disc, rm: retractor muscle, s: siphonoglyph, t: tentacle. Scale bars. — A – D: 10 mm; E – F: 200 µm; G – O: 25 µm.
FIGURE 7 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 7.—Phymanthus crucifer. (A) Oral view, morph with marginal tentacles with annular thickenings. (B) Oral view, morph with marginal smooth tentacles. (C) Lateral view. (D) Pedal disc view. (E) Cross section through proximal column. (F) Longitudinal section through oral disc and distal column. (G–M) Cnidae.—tentacle: (G) basitrich, (H) spirocyst; actinopharynx: (I) basitrich, (J) microbasic p-mastigophore; column: (K) basitrich; filament: (L) basitrich, (M) microbasic p- mastigophore. Abbreviations.—c: column, dt: discal tentacles, e: epidermis, g: gastrodermis, mt: marginal tentacles, pb: parietobasilar muscles, pd: pedal disc, rm: retractor muscle, o: oocyte, ve: vesicle, vr: verrucae. Scale bars.—A–D: 10 mm; E–F: 200 µm; G–M: 25 µm.
FIGURE 2 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 2. — Bunodeopsis antilliensis. (A) Fully expanded live specimen. (B) Oral view. (C) Lateral view. (D) Pedal disc view. (E) Cross section through distal column. (F) Longitudinal section of tentacle. (G – P) Cnidae. — tentacles: (G) microbasic p - amastigophore, (H) spirocyst, (I) microbasic p - amastigophore; actinopharynx: (J) basitrich, (K) microbasic p - amastigophore; column: (L) basitrich, (M) microbasic p - amastigophore, (N) microbasic p - amastigophore, (O) microbasic p - amastigophore; filament (P) microbasic p - amastigophore. Abbreviations. — aph: actinopharynx, ca: capitulum, od: oral disc, pd: pedal disc, rm: retractor muscle, sc: scapus, t: tentacle, tsp: tentacular sphincter, ve: vesicle. Scale bars. — A – D: 1 mm; E – F: 200 µm; G – P: 25 µm.
FIGURE 4 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 4. — Bunodosoma granuliferum. (A) Live specimen, lateral view. (B) Oral view. (C) Pedal disc view. (D) Lateral view. (E) Cross section through distal column. (F) Longitudinal section through column margin. (G – Q) Cnidae. — tentacles: (G) basitrich, (H) spirocyst; actinopharynx: (I) basitrich, (J) basitrich, (K) microbasic p - mastigophore; column: (L) basitrich, (M) basitrich; acrorhagi: (N) basitrich, (O) holotrich; filament: (P) basitrich, (Q) microbasic p - mastigophore. Abbreviations. — acr: acrorhagi, c: column, fo: fossa, msp: marginal sphincter, od: oral disc, pb: parietobasilar muscles, pd: pedal disc, rm: retractor muscles, s: siphonoglyph, t: tentacle, ve: vesicle. Scale bars. — A – D: 10 mm; E – F: 200 µm; G – Q: 25 µm.
FIGURE 1 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 1. — Map of the Mexican Caribbean, indicating locations of specimens reported in this account.
FIGURE 3 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 3. — Actinostella flosculifera. (A) Live specimen in natural habitat. (B) Oral view. (C) Lateral view. (D) Pedal disc view. (E) Cross section through distal column. (F) Detail of longitudinal section of column margin. (G – N) Cnidae. — tentacles: (G) basitrich, (H) spirocyst; actinopharynx: (I) basitrich, (J) basitrich, (K) microbasic p - mastigophore; column: (L) basitrich; filament: (M) basitrich, (N) microbasic p - mastigophore. Abbreviations. — c: column, e: epidermis, g: gastrodermis, mru: marginal ruff, od: oral disc, o: oocyte, pb: parietobasilar muscle, pd: pedal disc, rm: retractor muscle, t: tentacles, vr: verrucae. Scale bars. — A – D: 10 mm; E – F: 200 µm; G – N: 25 µm.
FIGURE 1 in Aulactinia sinensis, a new species of sea anemone (Cnidaria: Anthozoa: Actiniaria) from Yellow Sea
FIGURE 1. Morphology of Aulactinia sinensis sp. nov. Scale = 10 mm. A. External morphology of holotype. B. Internal morphology of holotype.
FIGURE 4 in Aulactinia sinensis, a new species of sea anemone (Cnidaria: Anthozoa: Actiniaria) from Yellow Sea
FIGURE 4. Representative cnidae from Aulactinia sinensis sp. nov. Scale = 20 μm; refer to Table 2 for size and distribution. A. Spirocyst. B. Large basitrich. C. Small basitrich. D. Microbasic p-mastigophore. E. Microbasic b-mastigophore. F. Holotrich.
FIGURE 3 in Aulactinia sinensis, a new species of sea anemone (Cnidaria: Anthozoa: Actiniaria) from Yellow Sea
FIGURE 3. Anatomy of Aulactinia sinensis sp. nov. A. Two distal-most verrucae of holotype. Scale = 0.5 mm. B. Holotype, dissected to show circumscribed endodermal sphincter muscle (SM) and marginal stoma (MS). Scale = 1.0 mm. C. Cross section of marginal sphincter muscle of MBM184223. Scale = 200 μm. D. Longitudinal section through a verruca of MBM184223. Scale = 200 μm. E. Cross section through middle column of holotype, showing diffuse mesenterial retractor muscle (R), parietal muscle (P), and oocytes (O). Left arrow indicates pennon of parietobasilar muscle. Scale = 500 μm. F. Zooxanthellae from tentacle tissue. Scale = 10 μm.
FIGURE 2 in Aulactinia sinensis, a new species of sea anemone (Cnidaria: Anthozoa: Actiniaria) from Yellow Sea
FIGURE 2. External morphology of Aulactinia sinensis sp. nov. A. Expanded live specimen in situ. Note oral disc and spotted tentacles. B. Lateral view of partially contracted live specimen settled in aquarium. Note brown column and longitudinally arrayed verrucae.
FIGURE 9 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 9.—Aiptasia pallida. (A) Oral view. (B) Lateral view. (C) Tentacles view. (D) Cross section through distal column. (E) Cross section through proximal column. (F–S) Cnidae.—tentacle: (F) basitrich, (G) basitrich, (H) microbasic p- amastigophore, (I) spirocyst; actinopharynx: (J) basitrich, (K) microbasic p-amastigophore; column: (L) basitrich, (M) basitrich, (N) microbasic p-amastigophore; filament: (O) basitrich, (P) microbasic p-amastigophore, (Q) microbasic p- amastigophore; acontia: (R) basitrich, (S) microbasic p-amastigophore. Abbreviations.—ac: acontia, c: column, ci: cinclides, fi: filament, od: oral disc, pd: pedal disc, rm: retractor muscles, s: siphonoglyph, t: tentacle. Scale bars.—A–C: 10 mm; D–E: 200 µm; F–R: 25 µm; S: 17.5 µm.
FIGURE 5 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 5.—Condylactis gigantea. (A) Live specimen in natural habitat. (B) Oral view. (C) Lateral view. (D) Pedal disc view. (E) Cross section through distal column. (F) Detail of longitudinal section through column margin. (G–O) Cnidae.—tentacles: (G) basitrich, (H) spirocyst; actinopharynx: (I) basitrich, (J) basitrich; column: (K) basitrich, (L) basitrich; filament: (M) basitrich, (N) basitrich, (O) microbasic p-mastigophore. Abbreviations.—c: column, e: epidermis, fi: filament, fo: fossa, g: gastrodermis, od: oral disc, pb: parietobasilar muscles, pd: pedal disc, rm: retractor muscle, s: siphonoglyph, t: tentacle. Scale bars.—A–D: 10 mm; E–F: 200 µm; G–O: 25 µm.
FIGURE 4 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 4.—Bunodosoma granuliferum. (A) Live specimen, lateral view. (B) Oral view. (C) Pedal disc view. (D) Lateral view. (E) Cross section through distal column. (F) Longitudinal section through column margin. (G–Q) Cnidae.—tentacles: (G) basitrich, (H) spirocyst; actinopharynx: (I) basitrich, (J) basitrich, (K) microbasic p-mastigophore; column: (L) basitrich, (M) basitrich; acrorhagi: (N) basitrich, (O) holotrich; filament: (P) basitrich, (Q) microbasic p-mastigophore. Abbreviations.—acr: acrorhagi, c: column, fo: fossa, msp: marginal sphincter, od: oral disc, pb: parietobasilar muscles, pd: pedal disc, rm: retractor muscles, s: siphonoglyph, t: tentacle, ve: vesicle. Scale bars.—A–D: 10 mm; E–F: 200 µm; G–Q: 25 µm.
FIGURE 3 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 3.—Actinostella flosculifera. (A) Live specimen in natural habitat. (B) Oral view. (C) Lateral view. (D) Pedal disc view. (E) Cross section through distal column. (F) Detail of longitudinal section of column margin. (G–N) Cnidae.—tentacles: (G) basitrich, (H) spirocyst; actinopharynx: (I) basitrich, (J) basitrich, (K) microbasic p-mastigophore; column: (L) basitrich; filament: (M) basitrich, (N) microbasic p-mastigophore. Abbreviations.—c: column, e: epidermis, g: gastrodermis, mru: marginal ruff, od: oral disc, o: oocyte, pb: parietobasilar muscle, pd: pedal disc, rm: retractor muscle, t: tentacles, vr: verrucae. Scale bars.—A–D: 10 mm; E–F: 200 µm; G–N: 25 µm.
FIGURE 2 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 2.—Bunodeopsis antilliensis. (A) Fully expanded live specimen. (B) Oral view. (C) Lateral view. (D) Pedal disc view. (E) Cross section through distal column. (F) Longitudinal section of tentacle. (G–P) Cnidae.—tentacles: (G) microbasic p- amastigophore, (H) spirocyst, (I) microbasic p-amastigophore; actinopharynx: (J) basitrich, (K) microbasic p-amastigophore; column: (L) basitrich, (M) microbasic p-amastigophore, (N) microbasic p-amastigophore, (O) microbasic p-amastigophore; filament (P) microbasic p-amastigophore. Abbreviations.—aph: actinopharynx, ca: capitulum, od: oral disc, pd: pedal disc, rm: retractor muscle, sc: scapus, t: tentacle, tsp: tentacular sphincter, ve: vesicle. Scale bars.—A–D: 1 mm; E–F: 200 µm; G–P: 25 µm.
FIGURE 8 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 8.—Stichodactyla helianthus. (A) Live specimen in natural habitat. (B) Oral disc and tentacles view. (C) Lateral view. (D) Pedal disc view. (E) Cross section through distal column. (F) Longitudinal section through column margin. (G–N) Cnidae.—tentacle: (G) basitrich, (H) spirocyst; actinopharynx: (I) basitrich; column: (J) basitrich, (K) basitrich; filament: (L) basitrich, (M) basitrich, (N) microbasic p-mastigophore. Abbreviations.—c: column, ent: endocoelic tentacle, ext: exocoelic tentacle, msp: marginal sphincter, od: oral disc, pb: parietobasilar muscle, pd: pedal disc, rm: retractor muscle, s: siphonoglyph, vr: verrucae, t: tentacle. Scale bars.—A–D: 10 mm; E–F: 200 µm; G–N: 25 µm.
FIGURE 11 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 11.—Ragactis lucida. (A) Live specimen in natural habitat. (B) Oral view. (C) Pedal disc view. (D) Lateral view. (E) Cross section through distal column. (F) Cross section through distal column wall. (G–Q) Cnidae.—tentacle: (G) basitrich, (H) microbasic p-amastigophore, (I) spirocyst; actinopharynx: (J) basitrich, (K) microbasic p-amastigophore; column: (L) basitrich, (M) holotrich, (N) microbasic p-amastigophore; filament: (O) microbasic p-amastigophore; acontia: (P) basitrich, (Q) microbasic p-amastigophore. Abbreviations.—ac; acontia, ca: capitulum, dm: directive mesenteries, lm: longitudinal muscles, me: mesoglea, od: oral disc, pd: pedal disc, rm: retractor muscles, s: siphonoglyph, sc: scapus, t: tentacle, z: zooxanthellae. Scale bars.—A–D: 10 mm; E–F: 200 µm; G–P 25 µm, Q: 17.5 µm.
FIGURE 6 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 6.—Lebrunia danae. (A) Live specimen in natural habitat. (B) Oral view. (C) Pedal disc view. (D) Lateral view. (E) Cross section through distal column. (F) Cross section through proximal column. (G–O) Cnidae.—tentacle: (G) microbasic p- amastigophore, (H) spirocyst; actinopharynx: (I) microbasic p-amastigophore; column: (J) basitrich, (K) microbasic p- amastigophore; filament: (L) microbasic p-amastigophore; pseudotentacle: (M) basitrich, (N) microbasic p-amastigophore, (O) macrobasic p-amastigophore. Abbreviations.—c: column, dm; directive mesenteries, od: oral disc, pb: parietobasilar muscle, pd: pedal disc, pse: pseudotentacle, rm: retractor muscle, s: siphonoglyph, spe: spermatic cyst, o: oocyte, t: tentacle. Scale bars.—A–D: 10 mm; E–F: 200 µm; H–K, M–N: 25 µm; G, O: 17.5 µm; L: 15 µm.
FIGURE 10 in First Inventory of Sea Anemones (Cnidaria: Actiniaria) of the Mexican Caribbean
FIGURE 10.—Bartholomea annulata. (A) Live specimen in natural habitat. (B) Oral view. (C) Lateral view. (D) Pedal disc view. (E) Cross section through distal column. (F) Longitudinal section through tentacle. (G–T) Cnidae.—tentacle: (G) basitrich, (H) microbasic p-amastigophore, (I) spirocyst; actinopharynx: (J) basitrich, (K) microbasic p-amastigophore; column: (L) basitrich, (M) microbasic p-amastigophore, (N) holotrich; filament: (O) basitrich, (P) microbasic p- amastigophore, (Q) microbasic p-amastigophore, acontia: (R) basitrich, (S) basitrich, (T) microbasic p-amastigophore. Abbreviations.—ca: capitulum, ci: cinclides, dm: directive mesenteries, nb: nematocyst batteries, od: oral disc, pd: pedal disc, rm: retractor muscles, s: siphonoglyph, sc: scapus, t: tentacle, z: zooxanthellae. Scale bars.—A–D 10 mm; E–F: 200 µm; G–S: 25 µm, T: 17.5 µm.
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