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Yellowtail filefish (Thamnaconus analis) — Monacanthidae

Yellowtail filefish

Thamnaconus analis
Family: Monacanthidae

The Yellowtail filefish (Thamnaconus analis) is a saltwater fish of the family Monacanthidae that grows up to 19 cm.

Length
19.3 cm
Water
Saltwater
Depth
46.0–360.0 m
Body shape
Flat / disc-shaped
Substrate
Stone or rock
Danger
Harmless

Description

The Yellowtail filefish is a filefish or leatherjacket (Monacanthidae) from coastal waters of the western Pacific. The species grows to about 30 cm and has an elongate, laterally compressed body with a rough, file-like skin and an erectable first dorsal spine. As a slow swimmer it lives over reef, sand and weed bottoms and snaps at small invertebrates, algae and zooplankton. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Yellowtail filefish?

The Yellowtail filefish has a flattened, disc-shaped body and is mainly brown.

Where does the Yellowtail filefish live?

The Yellowtail filefish lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Yellowtail filefish get?

The Yellowtail filefish grows to a maximum of about 19 cm.

Is the Yellowtail filefish dangerous to humans?

No, the Yellowtail filefish is harmless to humans.

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All data

Identification

Dutch name
Geelstaart-vijlvis sourced
English name
Yellowtail filefish sourced
Scientific name
Thamnaconus analis
Family
Monacanthidae
Other names
Spotted leather jacket; Triggerfish verified

Appearance

Size class
Medium verified
Max length (cm)
19.3 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Tail shape
Straight inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
46.0 verified
Max depth (m)
360.0 verified
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Fishing method
Vissen met natuurlijk aas (vis, garnaal, worm) of kunstaas dicht bij rif- en rotsstructuren. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Thamnaconus

More from the family Monacanthidae

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