Collector Urchin
Tripneustes gratilla
Decorator Urchin
Urchins
A large urchin that collects and carries debris, shells, and anything it can find as camouflage. Collector Urchins are voracious algae grazers effective at controlling nuisance algae.
Difficulty Easy
Reef Safe Caution
Temperament Peaceful
Available Stock
4 Collector Urchin listings in stock across 3 Australian reef shops, from $40 to $65 (median $55), as of 2026-08-23.
Shops with stock
- Reef Haven 2 from $65
- Gallery Aquatica 1 from $40
- Reeftopia 1 from $45
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