This species has been observed on Reunion and Mayotte Islands
Species characteristics :
Superfamily : Haminoeidea
Distribution : Indo-West Pacific
Maximal size (shell) :
This species has a thin, transparent, cylindrical shell with fine, evenly-spaced spiral striae
The animal is translucent white to cream flecked with white and violet-brown. It almost always has a cluster of violet-brown flecks on top of its head behind the head shield
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Photo Alexandre Laporte
Réunion, Etang salé on the rocky coast, less 1 m, during the night, 31 January 2017, size : 10 mm
See more about : Sightening and mating periods
Identification confirmed by Raymond Huet
Moreover, it is the only species of Cephalaspidea with a shell of this type existing in Maurice Jay collection of the shells of Reunion
Synonymous (according worms):
- Atys curta (A. Adams, 1850) - Haminoea mongii (Audouin, 1826)
- Bulla curta A. Adams, 1850 - Haminoea curta (A. Adams, 1850)
- Bulla mongii Audouin, 1826 - Linteria curta tomaculum Pilsbry, 1917
- Cylichna mongii (Audouin, 1826) - Liloa curta (A. Adams, 1850)
Bibliographic data :
It is a nocturnal species found in protected to exposed patchy habitats and Halimeda sp beds from 1 to 24 m deepth. It buries itself in sand during the day. When disturbed, it can swim by flapping its parapodia.
It lays a spherical, white egg mass that hatches in about three days in the laboratory
Mollusques de l'île de la Réunion. Collection Jay: Liloa mongii
Gastropod.com Liloa mongii
Seaslug of Hawai'i Liloa curva
Adams, A. (1850) Monograph of the family Bullidae. In: Sowerby, G. Thesaurus Conchyliorum. Vol. 2 ., London, pp. 553-608, pls 119-125.
Micali P. (2014). On the presence of Notodiaphana atlantica Ortea, Moro et Espinosa, 2013 in the Mediterranen Sea, with notes on Retusa multiquadrata Oberling, 1970 and Cylichna mongii (Audouin, 1826) (Cephalaspidea Cylichnidae). Biodiversity Journal. 5(4): 499-504
Other photos of Liloa mongii :
Reunion, La Possession, 7 m, 30 November 2014
Réunion, Shell ref : 676 Collection Maurice Jay
Cylindrical, narrow opening. Tranlucide . Fine spiral furrows over the entire surface.
White sometimes a little pink. More cylindrical than Atys cylindrica and with streaks on the whole surface.
Dead in the dredged sand of 10-20 m. Rare.
Maximum height 10.1 mm.
Mayotte, Le Rocher, Petite Terre,17 february 2012, size : 10 mm
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