🐠 Tasselled Filefish (Chaetodermis penicilligerus)
🐠 Tasselled Filefish (Chaetodermis penicilligerus)
The Living-Seaweed Mimic • Leaf-Like Skin Tassels and Dark Stripes • A Peaceful, Drifting Showpiece
📋 The Tasselled Filefish, also known as the Leafy Filefish or Prickly Leatherjacket, has a truly unique appearance: a laterally compressed, tan-to-light-brown body marked with dark horizontal stripes and covered in numerous tiny, leaf-like tassels that break up its outline into a remarkably effective camouflage among seaweed and marine algae. It's native to reefs across the Indo-Pacific, including Australia, Indonesia, Japan, and the Philippines, and it's a relative of the triggerfish family.
It moves in a slow, deliberate, drifting manner that adds to its living-leaf disguise, and it's a peaceful, browsing species that won't bother most tankmates, with one exception: it can be aggressive toward its own kind or closely related filefish. It's a poor, sluggish swimmer with small fins, so plenty of hiding spots and shelter matter, especially when it feels threatened. It isn't reef safe, and will feed on a wide range of invertebrates. It should never be housed with puffers or triggerfish, which may nip at its delicate skin tassels.
It grows to about 31cm, so plan for a roomy tank of 280L or more.
💡 Highlights
🎨 Leaf-Like Skin Tassels and Striping: A uniquely effective natural camouflage
🌿 Living-Seaweed Mimicry: Slow, drifting movement enhances its leaf-like disguise
😌 Peaceful: Won't bother most tankmates, aside from its own kind
🐟 Not Reef Safe: Will feed on a wide range of invertebrates
🛡️ Choose Tankmates Carefully: Never house with puffers or triggerfish
🧾 A Quick Look at the Tasselled Filefish
📛 Common Name: Tasselled Filefish (Leafy Filefish, Prickly Leatherjacket)
🔬 Scientific Name: Chaetodermis penicilligerus
👨👩👧 Family: Monacanthidae
🌍 Origin: Indo-Pacific (Australia, Indonesia, Japan, Philippines)
📏 Max Size: Up to 31cm (≈ 12")
🧂 Specific Gravity: 1.020-1.025
🌡️ Temperature Range: 22-26°C (72-78°F)
🧠 Care Level: Moderate
💖 Temperament: Peaceful; aggressive toward its own kind
🌿 Reef Safe: No: will feed on a wide range of invertebrates
🏠 Min Tank Size: 280 L (≈ 75 gallons)
📌 Tank Level: Mid level
🧬 Stock Type: Wild-collected as standard stock; occasionally seen in the trade
⏳ Lifespan: 5-10 years, possibly longer
🍽️ Diet: Omnivore (meaty foods, algae, invertebrates)
🐣 Reproduction: Egg layer; not bred in home aquariums

















