Tank setup
A minimum 120L aquarium suits Seagrass Filefish. Provide hiding spots and stable water — this species thrives in a well-filtered community setup.
Where to buy
Compare prices from SA aquarium shops listing Seagrass Filefish.
Community Marketplace
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Overview
What to know before you buy.
The Seagrass Filefish, also known as the Bristletail Filefish, is a unique fish highly sought-after for a very specific reason: it is one of the only fish that reliably eats *Aiptasia* (pest anemones). It has a mottled green-and-brown, diamond-shaped body that provides excellent camouflage among plants and algae. Its temperament is peaceful, but it is not considered reef-safe. After it consumes all the *Aiptasia*, it is known to move on to eating zoanthids, LPS corals, and even some SPS polyps. An interesting fact is its ability to rapidly change its color and pattern to blend in with its surroundings, much like a chameleon.
Key traits
peaceful
small
moderate
omnivore
specialized
algae eater
Compatibility
Select a tank to see how this species fits.
Care guide
Everything you need to keep Seagrass Filefish healthy in a South African setup.
Water parameters
Keep pH 8.1–8.4 and 24–28°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Feeding
Seagrass Filefish is omnivore. Feed a varied diet appropriate for saltwater fish — quality flakes, pellets, or frozen foods sized to the mouth.
Behaviour
Seagrass Filefish is generally peaceful. Observe during feeding and at lights-out for true temperament.
Tankmates
Pair with similarly sized peaceful tankmates in saltwater fish. Avoid fin-nippers or species that outgrow this fish.
Breeding
Breeding notes for Seagrass Filefish vary by line and water chemistry — ask your local shop about proven pairs in SA.
Keeping marine fish?
Marine chemistry moves daily — the foundation sets keep calcium, alkalinity and magnesium honest.
Availability confirmed with the distributor before dispatch · free delivery over r750
Community photos
From hobbyists across SA.
Photo by FishHubAdmin
Market intelligence
Price trends and buyer demand — data only FishHub tracks.
Price tracking started 18 Jul 2026 — chart builds as listings are updated
Demand by province
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Often kept with
Real pairwise verdicts for Seagrass Filefish, not a same-category guess. Always confirm adult size and your tank's specifics before buying.
- Often kept together
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In a 120L+ tank
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Six Line Wrasse
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Banded Boxing Shrimp
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Kole Tang
Ctenochaetus strigosus
In a 300L+ tank