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26 results for “Limnomedusae”
FIGURE 7. Maximum-likelihood tree for 11 in Scolionema sanshin sp. n., a new species (Hydrozoa, Limnomedusae, Olindiidae) from the Ryukyu Archipelago, southern Japan
FIGURE 7. Maximum-likelihood tree for 11 limnomedusan taxa based on the nuclear 18S rDNA data set. Scale bars indicate branch length in substitutions per site. Nodal support values are presented as the ML bootstrap value; only values>50% are shoWn.
FIGURE 4 in Scolionema sanshin sp. n., a new species (Hydrozoa, Limnomedusae, Olindiidae) from the Ryukyu Archipelago, southern Japan
FIGURE 4. Scolionema sanshin sp. n., polyp, live, in laboratory. A, primary polyp, oral vieW. B, adult polyp, lateral vieW. C, adult polyp, oral vieW. D, frustule, lateral vieW. E, medusa budding polyp, lateral vieW. F: frustule; MB: medusa bud; MD: mouth disc; P: periderm. Scale bars: 0.5 mm (A), 1 mm (B–C, E), 0.2 mm (D).
FIGURE 3 in Scolionema sanshin sp. n., a new species (Hydrozoa, Limnomedusae, Olindiidae) from the Ryukyu Archipelago, southern Japan
FIGURE 3. Scolionema sanshin sp. n. live, in laboratory. A testis B ovary C tentacle D velum E manubrium. AP: Adhesive pad; St: Statocyst. All bars represent 1 mm.
FIGURE 2 in Scolionema sanshin sp. n., a new species (Hydrozoa, Limnomedusae, Olindiidae) from the Ryukyu Archipelago, southern Japan
FIGURE 2. Scolionema sanshin sp. n., (A–C fixed Holotype, D–F live specimen) A, lateral vieW B, apical vieW C, oral vieW D, lateral vieW E, apical vieW F, oral vieW. Scale bars: 2 mm (A–C), 5 mm (D–F).
FIGURE 6 in Scolionema sanshin sp. n., a new species (Hydrozoa, Limnomedusae, Olindiidae) from the Ryukyu Archipelago, southern Japan
FIGURE 6. Nematocysts of Scolionema sanshin sp. n.. A, B Basitrichous isorhizas, adult medusae. Intact (A), discharged (B) C, D Microbasic euryteles, adult medusae. Intact (C), discharged (D) E, F Basitrichous isorhizas, young medusae. Intact (E), discharged (F) G, H Microbasic euryteles, young medusae. Intact (G), discharged (H) Ovoid isorhizas, young medusae. Intact (I), discharged (J) Microbasic euryteles, mature polyp. Intact (K), discharged (L). Scale bars: 5 µm (E–F), 10 µm (A–D, G–L).
FIGURE 1 in Scolionema sanshin sp. n., a new species (Hydrozoa, Limnomedusae, Olindiidae) from the Ryukyu Archipelago, southern Japan
FIGURE 1. Map of the sampling sites. 1 Yagaji Is., Nago; 2 Motobu port, Motobu; 3 GinoWan Marina, GinoWan; 4 Hizushihama, Aka Is.; 5 Fusaki Beach, Ishigaki Is.
FIGURE 5 in Scolionema sanshin sp. n., a new species (Hydrozoa, Limnomedusae, Olindiidae) from the Ryukyu Archipelago, southern Japan
FIGURE 5. Scolionema sanshin sp. n., young medusa, live, in laboratory. A, lateral vieW. B, aboral vieW. C, oral vieW. D, exumbrella, aboral vieW. E–F, statocysts. G, tentacle. AP: Adhesive pad; St: Statocyst. Scale bars: 1 mm (A–C), 0.5 mm (D, E), 50 µm (F), 200 µm (G).
FIGURE 3 in A new species of Gonionemus (Hydrozoa: Limnomedusae) from southern Australia
FIGURE 3. Molecular phylogeny of Olindiidae (including Geryoniidae) based on mitochondrial 16S DNA sequences. Numbers before the slash indicate Bayesian posterior probabilities. Numbers after the slash indicate ML boostrap values. "–" indicates numbers less than 50.
FIGURE 1A–C in A new species of Gonionemus (Hydrozoa: Limnomedusae) from southern Australia
FIGURE 1A–C. Laboratory photographs of Gonionemus agilis from live holotype and paratype and other specimens. 1A, dorsal view, gonads well developed. 1B, ventral view gonads less well developed, lips extended in quadrate shape. 1C, ventral view showing luminescent green spots on radial canals. Scale bar: A–C, 4 mm.
FIGURE 2A–F. 2A in A new species of Gonionemus (Hydrozoa: Limnomedusae) from southern Australia
FIGURE 2A–F. 2A, ring canal of Gonionemus agilis holotype (NMV F222410) with tentacles, tentacle bulbs, radial canal and developing gonads. 2B, distal end of tentacle with scattered nematocyst pads and leaf-shaped appendage. 2C, distal end of tentacle with appendage. 2D, large microbasic eurytele from nematocyst pad. 2E, F microbasic euryteles from tentacles and medusa. 2G, atrichous isorhiza from tentacular nematocyst pad. Scale bar: A, B, 1.0 mm, C, 0.5 mm, D–G, 20 µm.
Figure 1 in New ecological insight on two invasive species: Craspedacusta sowerbii (Coelenterata: Limnomedusae) and Dreissenia polymorpha (Bivalvia: Dreissenidae)
Figure 1. Research area: sampling points are presented with numbers: 1, metal barrels; 2, twigs; 3, 8 m depth; 4, 16 m depth.
Figure 2 in New ecological insight on two invasive species: Craspedacusta sowerbii (Coelenterata: Limnomedusae) and Dreissenia polymorpha (Bivalvia: Dreissenidae)
Figure 2. Scheme of polyps of Craspedacusta and brown hydra with placement on the shell of Dreissena polymorpha.
Figure 3 in Breeding biology of the rapids frog Limnomedusa macroglossa (Anura: Cycloramphidae) in southern Brazil
Figure 3. Relation of encounter rate (number of individuals recorded by month/monthly sampling effort) of Limnomedusa macroglossa with temperature (A) and photoperiod (B) in Rio Grande do Sul state, southern Brazil (n518 months).
Figure 2. Bars represent average temperature from 1961 in Breeding biology of the rapids frog Limnomedusa macroglossa (Anura: Cycloramphidae) in southern Brazil
Figure 2. Bars represent average temperature from 1961 to 1990 in the neighbouring municipality of Santa Maria, a pattern similar to that of Itaara. Temperature data were obtained from the website of the Instituto Nacional de Meteorologia, Brazil (www. inmet.gov.br). Timelines below show the occurrence of vocalization, amplexes/egg deposition, tadpoles and juveniles of Limnomedusa macroglossa from Rio Grande do Sul state, southern Brazil.
Figure 1 in Breeding biology of the rapids frog Limnomedusa macroglossa (Anura: Cycloramphidae) in southern Brazil
Figure 1. Partial view of the study site S1 (A); amplexed pair (B) and egg clutch (C) of Limnomedusa macroglossa in Rio Grande do Sul state, southern Brazil.
Figure 9 from: Toshino S, Tanimoto M, Minemizu R (2019) Olindias deigo sp. nov., a new species (Hydrozoa, Trachylinae, Limnomedusae) from the Ryukyu Archipelago, southern Japan. ZooKeys 900: 1-21. https://doi.org/10.3897/zookeys.900.38850
Figure 9 The process of young medusa development in Olindias deigo sp. nov. ET = exumbrella tentacle; FS = fibrous structure; G = gonad. All scale bars represent 1 cm.
Figure 7 from: Toshino S, Tanimoto M, Minemizu R (2019) Olindias deigo sp. nov., a new species (Hydrozoa, Trachylinae, Limnomedusae) from the Ryukyu Archipelago, southern Japan. ZooKeys 900: 1-21. https://doi.org/10.3897/zookeys.900.38850
Figure 7 The process of medusa budding in the hydroid of Olindias deigo sp. nov. All scale bars represent 1 mm.
Figure 6 from: Toshino S, Tanimoto M, Minemizu R (2019) Olindias deigo sp. nov., a new species (Hydrozoa, Trachylinae, Limnomedusae) from the Ryukyu Archipelago, southern Japan. ZooKeys 900: 1-21. https://doi.org/10.3897/zookeys.900.38850
Figure 6 Early embryogenesis and polyps of Olindias deigo sp. nov. A fertilized eggs B planulae C–D primary polyps E–F mature polyps. Scale bars: 0.1 mm (A–B), 0.2 mm (C–D), 1 mm (E–F).
Figure 5 from: Toshino S, Tanimoto M, Minemizu R (2019) Olindias deigo sp. nov., a new species (Hydrozoa, Trachylinae, Limnomedusae) from the Ryukyu Archipelago, southern Japan. ZooKeys 900: 1-21. https://doi.org/10.3897/zookeys.900.38850
Figure 5 Olindias deigo sp. nov., holotype A gonad B manubrium C mouth rips D centripetal canals E umbrella margin F exumbrella. ET = exumbrella tentacle; MC = marginal club; PT = primary tentacle; ST = secondary tentacle. Scale bars: 0.5 cm (A–E), 1 cm (F).
Figure 4 from: Toshino S, Tanimoto M, Minemizu R (2019) Olindias deigo sp. nov., a new species (Hydrozoa, Trachylinae, Limnomedusae) from the Ryukyu Archipelago, southern Japan. ZooKeys 900: 1-21. https://doi.org/10.3897/zookeys.900.38850
Figure 4 Olindias deigo sp. nov., holotype A lateral view B apical view C oral view. All scale bars represent 2 cm.
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