Hartlaub, 1907

Description
Umbrella bell-shaped, with thickened apex, though not projecting, walls thin [E.brownei-medusa ]; exumbrella without nematocyst tracks. With four radial canals and ring canal. Four very thin, equally developed, solid perradial tentacles, nematocysts along entire tentacle surface and in terminal swellings. Marginal tentacle bulbs small, without ocelli, but with blackish pigment granules. Manubrium short, cylindrical, on a well-developed, conical gastric peduncle. Mouth quadrangular, with four inconspicuous lips, each containing each a group of about 100 nematocysts. Gonads encircling manubrium; asexual reproduction by medusa buds on the sides of the manubrium.

Size
Umbrella 1 mm high and wide.

Colour
Marginal tentacle bulbs with blackish pigment granules, manubrium blackish brown, and terminal tentacle knobs brownish.

Ecology and depth range
Meropelagic; neritic.

Distribution in the North Sea
North Sea, Kattegat.

World distribution
North Atlantic Ocean, including Mediterranean; W South Atlantic Ocean, Indo-Pacific.

[After Russell, 1950a; Russell, 1953a; Kramp, 1959; Bouillon, 1999]

Kingdom Animalia
Phylum Cnidaria
Superclass Hydrozoa
Class Leptolida
Subclass Anthoathecatae
Order Capitata
Family Corymorphidae
Genus Eucodonium
Species Eucodonium brownei

Status in World Register of Marine Species

Accepted name: Eucodonium brownei Hartlaub, 1907

Sorry, there are no scientific synonyms and common names available for this species

Bouillon, J., 1999. Hydromedusae. In: D. Boltovskoy (ed.), South Atlantic Zooplankton, Vol. 1. Backhuys Publishers, Leiden, The Netherlands, pp. 385-465.

Fraser, J.H., 1972. The distribution of the Medusae in the Scottish area. Proceedings of the Royal Society of Edinburgh (B) 74(1): 1-25.

Kramp, P.L., 1959. The hydromedusae of the Atlantic Ocean and adjacent waters. Dana Report 46: 1-283; 2 plates, 335 text figures.

Russell, F.S., 1950a. Hydromedusae. Family: Tubulariidae (contd.); Family: Margelopsidae. Fiches d'Identification du Zooplancton, 28 (1950). Conseil International pour l'Exploration de la Mer, Kopenhagen.

Russell, F.S., 1953a. The medusae of the British Isles. Anthomedusae, Leptomedusae, Limnomedusae, Trachymedusae, and Narcomedusae. Cambridge University Press, 530 pp. 319 figures, 35 plates.

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