The Threadtail filefish (Arotrolepis filicauda) is a saltwater fish of the family Monacanthidae that grows up to 22 cm.
Description
The threadtail filefish is a filefish (Monacanthidae) from coastal waters of the Indo-West Pacific. The species grows to about 22 cm and has a laterally compressed, brownish body with a rough, file-like skin, an erectile spine above the head and, in adult males, thread-like elongate tail rays. As a bottom-oriented fish it shelters among weed and coral and snaps at small invertebrates and algae. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Threadtail filefish?
The Threadtail filefish has a flattened, disc-shaped body and is mainly brown.
Where does the Threadtail filefish live?
The Threadtail filefish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Oceania: Australia
How big does the Threadtail filefish get?
The Threadtail filefish grows to a maximum of about 22 cm.
Is the Threadtail filefish dangerous to humans?
No, the Threadtail filefish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Monacanthidae

Want the complete picture on the Threadtail filefish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Threadtail filefish is one of 12,519 species in the app.