Description
Aiptasia-Eating Filefish (Acreichthys tomentosus)
Complete Guide for Reef Keepers
What They Are
The Aiptasia-Eating Filefish, also called the Bristle-tail Filefish, is a small, hardy saltwater fish that’s famous for eating nuisance Aiptasia anemones. They stay small (3–4"), peaceful, and useful — basically a natural pest-control weapon.
Behavior & Personality
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Chill, slow-moving fish
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Not aggressive
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Will pick at rocks all day
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Can be kept solo or in pairs (but pairs sometimes bicker)
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They camouflage to match the rock and you barely notice them
