Tiny Black Tuxedo Sea Urchin – Tripneustes gratilla

Bring an exquisite touch of miniature natural architecture to your beach-inspired creations or marine specimen showcases with our natural Black Tuxedo Sea Urchins. Scientifically known as Tripneustes gratilla, these gorgeous and rare tiny echinoderm tests are highly celebrated for their beautifully segmented, globe-like shells. They serve as a charming option for detailed coastal mosaic work, dainty resin art accents, unique terrarium fillers, or delicate curios on a boho display shelf.

• Measures approximately 1/2"–3/4"

• Scientific name: Tripneustes gratilla

Color: Natural, deep espresso brown to rich velvety black tones with subtle, pale cream structural lines tracing the segments

Design: Dainty, fragile, and globular (spherical) pincushion-style test featuring intricate patterns of tiny spine attachment pores

Theme: Nautical, intricate beach crafting, minimalist coastal styling, rare miniature specimen collecting