Old's conch
NameOld's conch
Scientific NameMirabilistrombus oldi
Common NameOld's conch
FamilyStrombidae
GenusMirabilistrombus
Speciesoldi
Geographic DistributionIndo-Pacific, specifically found off the coasts of East Africa, including Somalia, Kenya, and Tanzania.
Habitatsubtidal
Shell Shapefusiform
Average Size (mm)70-120
Identifying FeaturesLarge and heavy shell; sculptured exterior with prominent axial ribs and spiral cords; high spire; widely flaring and thickened outer lip with a distinct stromboid notch; and a characteristic dark brown blotch on the columella within the aperture.
Raritycommon
Author Citation(Emerson, 1965)
Description
A large, heavy marine gastropod shell, characterized by its robust, sculptured exterior with strong axial ribs and spiral cords. It possesses a prominent spire and a widely flaring, thickened outer lip that features a distinct stromboid notch near its anterior end. The aperture is smooth and glossy, typically cream to pale pinkish-white, with a prominent dark brown to purplish-brown blotch on the columella or parietal shield.
