Three Neomelania sp.
145 described species
Freshwater point snails, or snails of the genus Neomelania, are a species endemic to the islands of Corindia. All species have an operculum, although some are greatly reduced in size. Most species subsist on a diet of algae, decaying plant matter, and other detritus that can be scavenged from the bottom of the water they inhabit, although some prefer live plants. Unlike most snails, snails of the genus Neomelania are ovoviviporous, meaning they give birth to live young, usually at a rate much slower than their egg laying cousins. Many are known to burrow into the substrate to avoid predators or search for food, oftentimes staying buried for extended periods of time. They have been popular in the aquarium trade since its introduction to the islands that make up the nation in the 20th century. Different species are present on individual islands, and in some cases areas as small as specific lakes and rivers. These regional varieties are prized for their diversity of coloration and ease of care in an aquarium environment.
The ability of species of the genus to hybridize and produce fertile offspring has led to many common strains of point snails which through careful breeding and selection, show traits uncommon in their wild counterparts such as stripes or a larger size. This, along with their placid demeanor and hardiness, led to them becoming very popular among aquarists in the region, although their popularity has also led to stresses on wild populations.
The species of genus Decipula was previously believed to be members of Neomelania before they were determined to be a distinct group