Tuxedo Urchin – Mespilia globulus

Common name: Tuxedo Urchin
Scientific name: Mespilia globulus
Origin: Indo-Pacific
Adult size: 5–7 cm
Temperament: Peaceful
Diet: Herbivore
Minimum tank size: 80–100 L+
Reef safe: Yes

Overview

The Tuxedo Urchin (Mespilia globulus) is a popular and reef-safe sea urchin known for its compact size and distinctive blue and black banded appearance. It is an effective algae grazer and an excellent addition to the clean-up crew in reef aquariums.

This species is also known for decorating itself with small shells, rubble, or coral fragments as camouflage.

Behavior & Compatibility

Completely peaceful and safe with fish and corals.

May move unsecured coral frags or small rocks while grazing.

Best kept singly unless housed in a larger system with sufficient algae growth.

Feeding

Primarily consumes:
• Film algae
• Coralline algae
• Hair algae

If natural algae becomes limited, supplement with dried marine algae (nori).

Care Notes

• Requires stable salinity and water parameters
• Sensitive to rapid changes in alkalinity and salinity
• Does not tolerate copper-based medications
• Ensure secure aquascaping

A hardy and attractive algae controller that combines functionality with unique visual appeal in reef aquariums.