Relevant Synonyms - Misidentification -  photo: S. Gofas / Coll. B. Galil

SHORT DESCRIPTION Shell elongated, thick, high-spired, of 7-8 moderately convex whorls. Sculpture of spire whorls of very strong, slightly oblique axial ribs; on the body whorl, those ribs are abruptly interrupted; there is a thick cord running over the abapical end of the body whorl, separated from the ribs by a depressed spiral furrow. Aperture oval, with a thickened outer lip, smooth inside, and a broadly open, shallow notch at its abapical end. color : whitish with a blurry brown suprasutural band, fading out on the body whorl. common size : 6-10 mm. DISTINGUISHING CHARACTERISTICS This species is easily recognized by the deep furrow interrupting the ribs abapically, whereas in the native Rissoina bruguierei these ribs fade out gradually. BIOLOGY / ECOLOGY Unknown. habitat : unknown.

1st Mediterranean record Israel, 1973 [1965]. DISTRIBUTION Worldwide: Red Sea and Indian Ocean. Mediterranean: recorded first in 1965 in Israel, from 'Atlit to Dor (Barash and Danin, 1973); successively from Cyprus (Bogi et al., 1989) and southeast coast of Turkey, from Gulf of Iskenderun to Tasuçu (Enzenross et al., 1990). ESTABLISHMENT SUCCESS Relatively rare. speculated reasons for success : - MODE OF INTRODUCTION Possibly via the Suez Canal. IMPORTANCE TO HUMANS None.

KEY REFERENCES Barash A. and Danin Z., 1973. The Indo-Pacific species of Mollusca in the Mediterranean and notes on a collection from the Suez Canal. Israel Journal of Zoology, 21(3-4): 301-374. Bogi C. , Cianfanelli S. and Talenti E., 1989. La malacofauna dell'Isola di CIpro. Atti Prima Giornata di Studi Malacologici CISMA, 187-214. Enzenross L., Enzenross R. and Niederhöfer H.J., 1990. Wissenschaflich interssante Funde aus der Sammlung Enzenross (marine Invertebraten). Jahreshefte der Gesellschaftten fuer Naturkunde in Wuerttemberg, 145: 283-294.   FEEDBACK / COMMENTS TO AUTHORS

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