Gastropoda | Pulmonata
Environment: milieu / climate zone / depth range / distribution range
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 6.0 cm SHL male/unsexed; (Ref. 349); common length : 5.0 cm SHL male/unsexed; (Ref. 349)
Shell medium sized, solid, elongateovate in outline, not shouldered. Spire apex blunt, often corroded in mature specimens. Sculpture of numerous axial grooves and fine spiral lines, causing a finely latticed pattern throughout the surface of shell, though it is somewhat stronger on posterior half of body whorl than on anterior half. Periostracum tough, closely applied to shell. Outer lip of the aperture thick and smooth inside, with a low swelling at about the middle. Inner lip glazed, with 3 folds; posterior fold tooth-like, centre fold oblique, large and angular, anterior fold weak and almost axial in direction. Colour: outside of shell whitish under the dark brown periostracum. Aperture porcelaneous white.
Found at mangrove swamps, Nipa palm forests and mud flats near the coast (Ref. 349). Members of the order Pulmonata are mostly simultaneous hermaphrodites (Ref. 833).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Members of the order Pulmonata are mostly simultaneous hermaphrodites.
Poutiers, J.M. 1998. (Ref. 349)
IUCN Red List Status (Ref. 120744)
CITES status (Ref. 108899)
Threat to humans
Fisheries: subsistence fisheries
| FishSource |
Estimates of some properties based on models
): 24.7 - 29.3, mean 28.7 (based on 1905 cells).
Moderate to high vulnerability (50 of 100)