Lanistes ovum is a species of freshwater snail with an operculum, an African apple snail, an aquatic gastropod mollusk in the family Ampullariidae.

The shell coiling in this species is left-handed, aka sinistral.

This species of snail is widely found in Botswana, Congo, Chad, Ghana, Cameroon, Gambia, Angola, Namibia, Niger, Nigeria, Tanzania, Mozambique, ZimbabweLanistes Ovum, Apple Snail Website.Freshwater Snails of Africa and Their Medical Importance Brown, D. S. (1994). Freshwater Snails of Africa and Their Medical Importance. CRC Press. Appleton, C. C., Curtis, B. A., Alonso, L. E. & Kipping, J. (2003). Freshwater invertebrates of the Okavango Delta, Botswana. and South Africa.Appleton C. C., Forbes A. T.& Demetriades N. T. (2009). "The occurrence, bionomics and potential impacts of the invasive freshwater snail Tarebia granifera (Lamarck, 1822) (Gastropoda: Thiaridae) in South Africa". Zoologische Mededelingen 83. http://www.zoologischemededelingen.nl/83/nr03/a04

Habitat These snails are found at an altitude of between 0 and 920 m (3,018 feet).Lanistes Ovum , Zipcodezoo.com.

References