|A shell of Faunus ater|
de Montfort, 1810
Faunus ater is the only species within the genus Faunus.
The distribution of Faunus ater includes:
- Sri Lanka
- Andaman Islands
- New Guinea
- western and southern Pacific Islands: Solomon Islands
- northern Australia
The periostracum is thick, and the color of the periostracum is dark brown or black. The shell has about 20 whorls. The apical whorls may be eroded in older snails. The aperture is ovate and white. The shell is unique among Cerithioidea, because it has two deep sinuses: an anal sinus which is close to the suture and an anterior sinus more forward in the aperture. The height of the aperture is about one-fifth of the height of the shell.
The height of the shell is usually 50–60 mm, but can be up to 90 mm.
This snail lives in slightly brackish water. It has also been reported from freshwater. It is the only pachychilid species that lives in brackish water; the other species in the family are freshwater snails.
- Lok A. F. S. L., Ang W. F., Ng P. X., Ng B. Y. Q. & Tan S. K. (2011). "Status and distribution of Faunus ater (Linnaeus, 1758) (Mollusca: Cerithioidea) in Singapore". Nature in Singapore 4: 115-121. PDF.
- Solem A. (1953). "Marine and fresh-water mollusks of the Solomon Islands". Fieldiana Zoology 34(22): 213-227. page 220.
- Gray J. E. (1867). "On the species of the genera Latiaxis, Faunus and Melanatria". American Journal of Conchology 3: 330.
- Houbrick R. S. (1991). "Anatomy and systematic placement of Faunus Montfort 1810 (Prosobranchia: Melanopsinae)". Malacological Review 24: 35-54.
- Yap C. K., Hisyam M. N. D., Edward F. B., Cheng W. H. & Tan S. G. (2010). "Concentrations of heavy metal in different parts of the gastropod, Faunus ater (Linnaeus), collected from intertidal areas of Peninsular Malaysia". Pertanika Journal of Tropical Agricultural Science 33(1): 45-60.
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