Tapestry Turban (also known as the Cat's Eye Turban or Green Turban)
Phylum: Mollusca, Class: Gastropoda, Order: Trochida, Family: Turbinidae, Genus: Turbo, Species: Turbo petholatus (Linnaeus, 1758) · Turbinidae (Turban shells) · Gastropod (Univalve); Spiral/Globose shape; Whole shell/Sub-adult specimen
Species
Turbo petholatus
Shell Type
Gastropod (Univalve); Spiral/Globose shape; Whole shell/Sub-adult specimen
Family
Turbinidae (Turban shells)
Size
Approximately 2 to 2.5 inches (50-60mm), which falls into the mid-range for this species; adults can reach up to 4 inches (100mm).
Color & Pattern
Highly varied base of dark chocolate brown to mahogany with high-contrast zig-zag or flame-like patterns in cream or yellowish-white. This specimen shows unique reddish-pink spotting or blushing on the lower whorls. The surface has a naturally glossy, almost 'tapestry' woven appearance.
Rarity
Common; widely distributed and frequently harvested for the shell and the operculum (Cat's Eye).
Habitat
Marine; common in shallow subtidal waters, typically found on coral reefs, rocky substrates, and among algae in tropical settings.
Geographic Range
Indo-Pacific region, spanning from the Red Sea and East Africa to Southeast Asia, Northern Australia, and the Oceanic islands.
Description
A heavy, thick-walled globose shell with a smooth, polished surface. It features a moderately high spire and an inflated body whorl. The sculptural details are subtle, lacking the heavy spines of other Turbos, allowing the intricate 'woven' color pattern to take center stage. The aperture is large and circular, with a thick, smooth pearly-white interior (nacre).
Key Features
Smooth, glossy finish compared to other 'rough' turbans; distinctive 'petholatus' zig-zag patterns; circular aperture with nacreous (mother-of-pearl) lining; lack of heavy sculpture or nodules.
Collector Value
Low to Moderate ($5 - $20 USD). Highly desirable for beginners due to its beauty, but common enough that only 'Gem' quality specimens or those with unusual red/pink coloration (like this one) command higher interest among specialist collectors.
Condition Notes
Good to Fine condition. The shell maintains its natural luster and sharp color contrast, though the apex (tip) appears slightly blunted or eroded. The absence of heavy encrusting organisms suggests it was collected live or found soon after death.
Interesting Facts
This species is famous for its operculum, known as the 'Cat's Eye,' a hemispherical, calcareous 'trapdoor' that is dark green on one side. These opercula are often used in jewelry. Historically, the nacreous interior was harvested for button making and decorative inlay.
Ecological Role
Primary consumer/Herbivore; they graze on various types of algae and biofilm on reef surfaces. They are a prey source for large crustaceans, octopuses, and reef fish.
Similar Species
Turbo marmoratus (Green Snail) is much larger and greener; Turbo castanea (Chestnut Turban) is smaller and more beaded/sculptured; Turbo chrysostomus (Gold-mouth Turban) has a yellow/gold aperture.
Beach Finding Tips
Best found on tropical Indo-Pacific reefs during low tide or by snorkeling near coral heads. After storms, they may wash up in tidal pools or near the reef edge, though wave action often dulls their high-gloss finish.
Notes
Pass