Siratus tenuivaricosus
NameSiratus tenuivaricosus
Scientific NameSiratus tenuivaricosus
Common NameSlender-ribbed Murex
FamilyMuricidae
GenusSiratus
Speciestenuivaricosus
Geographic DistributionWestern Atlantic, specifically off the coast of Brazil (e.g., Bahia, Espírito Santo).
Habitatsubtidal
Shell Shapefusiform
Average Size (mm)30-70
Identifying FeaturesFusiform shape with a high spire; prominent, often spiny or nodulose axial varices (typically 3 per whorl); long, relatively straight siphonal canal; sculpture of fine spiral cords; whitish to cream coloration.
Raritycommon
Author Citation(Dautzenberg, 1927)
Description
A medium-sized marine gastropod shell, *Siratus tenuivaricosus*, characterized by its fusiform (spindle-shaped) form, prominent spiny axial varices, and a long, relatively straight siphonal canal. The shell exhibits a coloration ranging from off-white to cream, often with subtle brownish or grayish mottling, particularly on the varices and spire. It is a predatory snail found in the Western Atlantic, primarily off the coast of Brazil, inhabiting subtidal sandy or muddy bottoms.
