Urchins
Spiky algae mowers that also ‘decorate’ themselves—great cleaners, watch your frags.
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Collector Urchin
Collector urchins are effective algae grazers with a lot of personality, but they’re mechanically disruptive …
Pencil Urchin
Pencil urchins are strong, opportunistic algae grazers that work best in rugged, well-secured systems. They’re …
Longspine Urchin
Longspine urchins are powerful algae grazers best suited for large, well-secured reef tanks. They’re reef …
Tuxedo Urchin
Tuxedo urchins are small, reef-friendly algae grazers that excel at controlling film algae and biofilm …
Pincushion Urchin
Pincushion urchins are small, reef-friendly algae grazers that work well in mixed reefs when given …
Other Urchins
Other Urchins Overview This is the canonical Reefapedia landing article for Other Urchins in the …
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Pincushion Urchin
Pincushion urchins are small, reef-friendly algae grazers that work well …
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