Description:-

Umbrella nearly spherical, jelly very thick, especially in apical region, though not projecting; apical canal sometimes present. Length bell cavity about 2/3 height of umbrella. Velum fairly broad. Exumbrella with four pairs of nematocyst tracks.Four radialcanals and ring canal narrow. Manubrium very large, spherical at base, tapering towards mouth; extensile, stretching beyond umbrella margin when fully extended. Mouth circular, simple, armed with nematocysts. Gonads completely surrounding manubrium, leaving mouth free. Fourperradial marginal tentacles with nematocysts in abaxial clusters. No ocelli on the large marginal tentacle bulbs.

Threats:-

Not recorded.

Remark:-

Habitat:-

Neritic

Synonyms:-

Tubulariadumortieri (Van Beneden, 1844)

References:-

NAIR, K. K. 1951. Medusae of the Trivandrum Coast. Part I. Systematics. Bulletin of the Research Institute of the University of Travancore 20: 47-75, pl. 1.
Panikkar, NK (1973) Hand book to the international zooplankton collections Volume. 5 Indian Ocean Biological Center 5 1-210 Available at - NIO, RC Kochi
Schuchert, P. (2014). Ectopleura dumortierii (Van Beneden, 1844). In: Schuchert, P. (2014) World Hydrozoa database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=117982 on 2015-03-11