Rhopilema nomadica

On Map

Species memo

© Ammar, R. (iNaturalist)

Rhopilema nomadica Galil, 1990

It is a marine bivalve with a thick, strongly ribbed shell. The hinge line bears numerous teeth, arranged in a line on both valves. Both valves have prominent beaks which are set close to the anterior end and curved inward. The shell is heart-shaped in a side view. The shell is somewhat oblong, with straight shoulders below the beak. Both shells have about 12 radiating ribs. The shell is white, but it is covered with a brown periostracum. This bivalve does not have a siphon. This shell typically reaches 25 mm. Ark shells occasionally attach to rocks and shells with byssus threads.

Siokou-Frangou I, Sarantakos K, Christou ED (2006). First record of the scyphomedusa Rhopilema nomadica Galil, 1990 (Cnidaria: Scyphozoa: Rhizostomeae) in Greece. Aquatic Invasions 1(3): 194-195.

Records of Rhopilema nomadica

Sites where Rhopilema nomadica has been recorded in the Hellenic Seas.

© Omnès, R. (iNaturalist)
© Ammar, R. (iNaturalist)

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