
Neothais marginatra
NameNeothais marginatra
Scientific NameNeothais marginatra
Common NameMargined Rock Snail
FamilyMuricidae
GenusNeothais
Speciesmarginatra
Geographic DistributionWidespread in the Indo-Pacific region, including Australia (Queensland, New South Wales), New Caledonia, Vanuatu, Fiji, Tonga, Samoa, Solomon Islands, Papua New Guinea, Indonesia, Philippines, Japan, Taiwan, and parts of the Indian Ocean.
Habitatintertidal
Shell Shapeconical
Average Size (mm)Typically ranges from 30 to 60 mm in length.
Identifying FeaturesCharacterized by strong spiral sculpture, often with prominent nodules or axial ribs, especially on the shoulder. The outer lip of the aperture is usually crenulated or denticulate, and the inner lip can be smooth or bear weak denticles. The short, open siphonal canal is also a key feature.
Raritycommon
Author Citation(Blainville, 1832)
Description
Neothais marginatra is a species of predatory sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails. It is characterized by its robust, turbinate to ovate-conical shell, typically found in intertidal and shallow subtidal rocky environments.





