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Candelabrum cocksii (Vigurs, 1849) (Anthomedusae, Candelabriidae) from Brittany, size about 12 cm. This is one of the very large hydropolyps. It lives attached underneath boulders at the low water level. The spherical bodies are sporosac containing the gametes. This species produces thus no medusa. The author has granted permission to MarBEF/VLIZ to use this picture in ERMS and related biological databases hosted at VLIZ. Source: http://www.ville-ge.ch/musinfo/mhng/hydrozoa/hydrozoa-directory.htm
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Brakwaterpoliep, (Cordylophora caspia (Pallas, 1771) (http://www.marinespecies.org/aphia.php?p=taxdetails&id=117428)) A: f. transiens (Antwerpen) A1: Vergroting: x1 A2: Vergroting: x50 B: f. albicola C: f. witteleggei (B, C: naar P. Schulze, 1921)
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Donoussa (Greece)
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Experts: Alvaro E. Migotto Date: Nov. 29, 2004, 3:40 p.m. Place: Canal de São Sebastião, São Sebastião, SP, Brazil Geolocation: S 23°49'55" W 45°24'45" Alvaro E. Migotto. Hydromedusa. Cifonauta image database. Source: http://cifonauta.cebimar.usp.br/photo/2181/ Accessed: 2011-10-19.
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Experts: Alvaro E. Migotto Date: Nov. 26, 2004, 2:22 p.m. Place: Canal de São Sebastião, São Sebastião, SP, Brazil Geolocation: S 23°49'55" W 45°24'45" Alvaro E. Migotto. Hydromedusa. Cifonauta image database. Source: http://cifonauta.cebimar.usp.br/photo/2188/ Accessed: 2011-10-19.
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Experts: Alvaro E. Migotto Date: Nov. 26, 2004, 2:22 p.m. Place: Canal de São Sebastião, São Sebastião, SP, Brazil Geolocation: S 23°49'55" W 45°24'45" Alvaro E. Migotto. Hydromedusa. Cifonauta image database. Available at: http://cifonauta.cebimar.usp.br/photo/2194/ Accessed: 2011-10-19.
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Expert: Alvaro E. Migotto Date: Jan. 18, 2007, 5:04 p.m. Place: Ponta do Jarobá, São Sebastião, SP, Brazil Geolocation: S 23°49'42" W 45°25'16" Alvaro E. Migotto. Hydroid. Cifonauta image database. Available at: http://cifonauta.cebimar.usp.br/photo/2242/ Accessed: 2011-10-19.
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Medusa phase of Corymorpha nutans M. Sars, 1835 (Anthomedusae, Corymorphidae) from Norway (Raunefjord), size about 5 mm. The author has granted permission to MarBEF/VLIZ to use this picture in ERMS and related biological databases hosted at VLIZ. Source: http://www.ville-ge.ch/musinfo/mhng/hydrozoa/hydrozoa-directory.htm
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Hydroid.
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Hydromedusa.
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Stomach with black pigmented dots
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Feeding polyps reared at home.
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Gonad releasing eggs.
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Tentacles with 3 cirri on both sides.