World Hydrozoa Database

Hydrozoa taxon details

Eirene viridula (Péron & Lesueur, 1810)

117512  (

marine, fresh, terrestrial
recent only
Not documented
Distribution North-western Europe; Mediterranean; west coast of Africa; east coast of Africa; Ceylon, Papua New Guinea.  
Distribution North-western Europe; Mediterranean; west coast of Africa; east coast of Africa; Ceylon, Papua New Guinea. [details]
Schuchert, P. (2018). World Hydrozoa Database. Eirene viridula (Péron & Lesueur, 1810). Accessed at: on 2019-03-24
2004-12-21 15:54:05Z
2015-09-30 05:45:21Z
2017-10-19 09:32:03Z

original description  (ofGeryonopsis forbesii Van Beneden, 1867) Beneden. (1867a). Recherches sur la faune littorale de Belgique : polypes / par P.-J. van Beneden. (look up in IMIS), available online at [details]  OpenAccess publication 

original description  (ofPerigonimus nudus Stechow, 1919) Stechow E. (1919a). Zur Kenntnis der Hydroidenfauna des Mittelmeeres, Amerikas und anderer Gebiete, nebst Angaben über einige Kirchenpauer'sche Typen von Plumulariden. <em>Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere.</em> 42(1): 1-172., available online at
page(s): 16, fig. D. [details]  OpenAccess publication 

original description  (ofGeryonopsis delicatula Forbes, 1848) Forbes, E. (1848). A monograph of the British naked-eyed Medusæ : with figures of all the species. London, Ray Society, pp. 104, 13 plates. , available online at
page(s): 39 [details]  OpenAccess publication 

original description  (ofGeryonia pellucida Will, 1844) Will, J.G.F., 1844. Horae Tergestinae oder Beschreibung und Anatomie der im Herbste 1843 bei Triest beobachteten Akalephen. : 1-86.
page(s): 70 [details]  OpenAccess publication 

original description  (ofTima willi Neppi, 1909) Neppi, V. (1909). Über Anomalien bei Medusen der Gattung Irene und Tima. <em>Archiv für Entwicklungsmechanik der Organismen.</em> 28(2-3): 368-395., available online at
page(s): 368 [details]   

basis of record van der Land, J.; Vervoort, W.; Cairns, S.D.; Schuchert, P. (2001). Hydrozoa, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 112-120 (look up in IMIS[details]   

additional source Navas-Pereira, D. & M. Vannucci (1991). The Hydromedusae and water masses of the Indian Ocean. Bolm Inst. Oceanogr., S. Paulo. 39(1): 25-60. [details]   

additional source Muller, Y. (2004). Faune et flore du littoral du Nord, du Pas-de-Calais et de la Belgique: inventaire. [Coastal fauna and flora of the Nord, Pas-de-Calais and Belgium: inventory]. <em>Commission Régionale de Biologie Région Nord Pas-de-Calais: France.</em> 307 pp., available online at [details]   

additional source Liu J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS[details]  Available for editors  PDF available 

additional source Zenetos, A.; Gofas, S.; Verlaque, M.; Cinar, M.; Garcia Raso, J.; Bianchi, C.; Morri, C.; Azzurro, E.; Bilecenoglu, M.; Froglia, C.; Siokou, I.; Violanti, D.; Sfriso, A.; San Martin, G.; Giangrande, A.; Katagan, T.; Ballesteros, E.; Ramos-Espla, A.; Mastrototaro, F.; Ocana, O.; Zingone, A.; Gambi, M.; Streftaris, N. (2010). Alien species in the Mediterranean Sea by 2010. A contribution to the application of European Union's Marine Strategy Framework Directive (MSFD). Part I. Spatial distribution. <em>Mediterranean Marine Science.</em> 11(2): 381-493., available online at [details]  OpenAccess publication 

redescription Schuchert. P. (2017). Systematic notes on some leptomedusa species with a description of Neotima galeai n. spec. (Hydrozoa, Cnidaria). <em>Revue suisse de Zoologie.</em> 124(2): 351-375., available online at
page(s): 358, Fig. 7A-C [details]  Available for editors  PDF available 

redescription Cornelius, P. F. S. (1995). North-West European Thecate Hydroids and their Medusae. Part 1. Laodiceidae to Haleciidae. <em>In: R.S.K. Barnes & J.H. Crothers, eds, Synopses of the British Fauna (New Series). The Linn. Soc. London and Est. Coas. Sci. Ass. - Field Studies Council.</em> 50 : i-vii, 1-347. (look up in IMIS)
page(s): 223, fig. 51 [details]   
 Present  Inaccurate  Introduced: alien  Containing type locality 

From editor or global species database
Diagnosis Medusa up to 30 mm wide, umbrella nearly hemispherical, middle portion fairly thick. Velum narrow. Peduncle broad, projecting beyond bell margin, shape variable. Stomach fairly small, with four pointed lips and crenulated margin; gonads linear, extending from bell margin to base of peduncle. Up to 70 tentacles of different sizes, large and small frequently alternating, tentacles fine, bulbs conical with distinct adaxial excretory papilla projecting into subumbrella; 50 or more statocysts, each with 1-4 concretions. No cirri. Colourless except for green tinge of manubrium.
Polyp stage see Cornelius (1995a).

Distribution North-western Europe; Mediterranean; west coast of Africa; east coast of Africa; Ceylon, Papua New Guinea. [details]