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

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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.

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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.

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Feeding

Primarily consumes:

• Film algae

• Coralline algae

• Hair algae

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

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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.