Eudendrium ramosum ( Linnaeus, 1758 )

Gil, Marta, Ramil, Fran & Agís, José Ansín, 2020, Hydroids (Cnidaria, Hydrozoa) from Mauritanian Coral Mounds, Zootaxa 4878 (3), pp. 412-466: 420

publication ID

https://doi.org/10.11646/zootaxa.4878.3.2

publication LSID

lsid:zoobank.org:pub:4F59F5B2-CFDB-4819-AF83-0EF232328F8D

DOI

http://doi.org/10.5281/zenodo.4426105

persistent identifier

http://treatment.plazi.org/id/03DE879D-1C19-337A-46B2-C7BFA6C36ECA

treatment provided by

Plazi

scientific name

Eudendrium ramosum ( Linnaeus, 1758 )
status

 

Eudendrium ramosum ( Linnaeus, 1758)  

Eudendrium ramosum: Ramil & Vervoort, 1992: 20–21   ; Schuchert, 2001: 32–33, fig. 20; Peña Cantero & García Carrascosa, 2002: 37–38, fig. 7a–c; Bouillon et al., 2006: 60–61, figs 36H–L; Vervoort, 2006: 215–216, fig. 4 no. 2; Schuchert, 2012: 322–323, fig. 281.

Material examined. MAURIT-0911, stn MU DR01, 16º08´24”N, 16º57´12”W, 488 m, 5-XII-2009: 25 colonies, badly damaged, some attached to other hydroids and bryozoans GoogleMaps   .

MAURIT-1011, stn MU DR20, 16º08´11”N, 16º56´08”W, 405 m, 7-XII-2010: two colonies badly damaged, one colony attached to a sponge and the other attached to Sertularella gayi   GoogleMaps   .

MSM 16 View Materials /3, stn GeoB 14802–1, BG, 20°14.791’N, 17°40.188’W, 595 m, 3-XI-2010: two colonies without gonozooids, attached to corals GoogleMaps   .

MSM 16 View Materials /3, stn GeoB 14886–1, ROV, 18°39.013’– 18°38.476’N, 16°43.580’– 16°43.757’W, 484–640 m, 12-XI- 2010: one colony 17 mm high with female gonophores, growing on Acesta excavata   GoogleMaps   .

MSM 16 View Materials /3, stn GeoB 14905–1, CKG, 17°32.457’N, 16°39.997’W, 486 m, 15-XI-2010: one colony, without gonozooids GoogleMaps   .

Biology. This species grows on a wide variety of substrates, especially on hard substrata, algae and as epibiont on other invertebrates ( Peña Cantero & García Carrascosa 2002). Fertile material has been found from March to December ( Peña Cantero & García Carrascosa 2002; Schuchert 2012; Gil & Ramil 2017a).

In our material, some colonies were collected growing on the bivalve A. excavata   and the hydroid S. gayi   . Female gonophores were observed in November.

Distribution. Eudendrium ramosum   was reported as a cosmopolitan species by Bouillon et al. (2006), but many of its records are considered doubtful ( Ramil & Vervoort 1992; Marques et al. 2000; Schuchert 2001; Peña Cantero & García Carrascosa 2002). Schuchert (2012) indicated that all records outside the East Atlantic (Arctic to South Africa, including the Mediterranean) need confirmation. In West Africa, it was collected from Morocco ( Ramil & Vervoort 1992; Vervoort 2006), Canary Islands ( Vervoort 2006), Mauritania ( Gil & Ramil 2017a) and Cape Verde ( Ritchie 1907; Vervoort 2006). The bathymetrical distribution of the species extends from tidal areas ( Ansín Agís 1992) to a depth of 1870 m ( Ramil & Vervoort 1992).

The material studied by us was collected from depths of 484 to 640 m.

Remarks. The study of the nematocysts confirms that our material belongs to E. ramosum   .

MU

Midwestern University

Kingdom

Animalia

Phylum

Cnidaria

Class

Hydrozoa

Order

Anthoathecata

Family

Eudendriidae

Genus

Eudendrium

Loc

Eudendrium ramosum ( Linnaeus, 1758 )

Gil, Marta, Ramil, Fran & Agís, José Ansín 2020
2020
Loc

Eudendrium ramosum: Ramil & Vervoort, 1992: 20–21

Schuchert, P. 2012: 322
Bouillon, J. & Gravili, C. & Pages, F. & Gili, J. M. & Boero, F. 2006: 60
Vervoort, W. 2006: 215
Pena Cantero, A. L. & Garcia Carrascosa, A. M. 2002: 37
Schuchert, P. 2001: 32
Ramil, F. & Vervoort, W. 1992: 21
1992