Threadfin Butterflyfish
Chaetodon auriga
Auriga Butterfly · Threadfin Butterfly
Butterflyfish
One of the hardiest butterflyfish species with a distinctive trailing filament on the dorsal fin. The Threadfin is an excellent beginner butterfly for fish-only tanks. It eats a wide variety of foods but is NOT reef-safe with corals and anemones.
Difficulty Moderate
Reef Safety Not Reef Safe
Temperament Peaceful
Min Tank Size 300L
Diet Omnivore
Available Stock
1 Threadfin Butterflyfish listing in stock across 1 Australian reef shop, from $300 to $300 (median $300), as of 2026-10-14.
Shops with stock
- Anything QT 1 from $300
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