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Scientific Name: Filopaludina bengalensis (Lamarck, 1822)

Synonym: Bellamya bengalensis (Currently unaccepted)

English Name: Banded pond/ river snail
Local/Bangla Name: গুলি শামুক(Guli shamuk), ডোরাকাটা তকরাই(Dorakata tokrai)
Gastropod : Filopaludina bengalensis

Photo: GBIF

Classification:
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Architaenioglossa
Family: Viviparidae
Description:
The shell is moderately sized and has an elongated, somewhat conical shape. It appears relatively smooth and tapers to a pointed spire. The shell is marked by clear, dark spiral bands, and its whorls are notably inflated, with the final whorl being wider than it is tall. The lines between the whorls, known as sutures, are deeply impressed. The aperture of the shell takes on a semicircular form. In the early stages of development, the shell is delicate and thin and features three primary rows of chaetae, which are bristle-like structures. The ridges on the shell are generally low but well-defined, with the lowest ridge occasionally developing into a keel. Secondary ridges that bear chaetae may also emerge between the primary ones.The shell is predominantly blackish-brown with yellowish-brown, dark, and pale spiral bands. The rim around the aperture often has a black hue, while the central column inside the shell, known as the columella, appears bluish-white with a clouded black nucleus. The internal surface of the shell typically exhibits an orange-brown coloration.
Habitat & Distribution in Bangladesh:
It is commonly found in stagnant water that has soft, clay-like bottoms and is typically rich in aquatic vegetation. This species thrives in both permanent and temporary water bodies, especially in the areas near the shores of ponds, canals, and paddy fields. Its habitat covers nearly all districts of Bangladesh.
Environment:
freshwater
Main References:
Other References:
DNA Barcodes from Bangladesh
GenBank Accession Number:
Other DNA Barcodes & Nucleutide Sequences
Other Information