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Orange filefish (Aluterus schoepfii) — Monacanthidae

Orange filefish

Aluterus schoepfii
Family: Monacanthidae
LC · Least Concern

The Orange filefish (Aluterus schoepfii) is a saltwater fish of the family Monacanthidae that grows up to 61 cm.

Length
61 cm
Water
Saltwater
Depth
3.0–900.0 m
Diet
Herbivore
Behaviour
Solitary
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Algae or seagrass meadow
Danger
Harmless
Range
Western Atlantic off the coasts of North, Central and South America, above seagrass beds and sandy bottoms of shallow coastal water.
Edibility
Rarely eaten

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Description

The orange filefish is a deep, strongly compressed fish of the family Monacanthidae (filefishes) reaching about 61 cm. The yellow-brown, mottled body has a rough, sandpaper-like skin and a small mouth with cutting teeth; the first dorsal spine stands up like a trigger on the head and can be locked. The species lives above seagrass beds and sand bottoms of the western Atlantic off the coasts of the Americas. As a herbivore it grazes seagrass, algae and small attached invertebrates. To blend among the seagrass it sometimes drifts at an angle or head-down. Because of its tough skin it is little eaten.

Frequently asked questions

How do you recognise the Orange filefish?

The Orange filefish has a flattened, disc-shaped body, is mainly yellow-gold and shows a spots pattern. Deep-bodied, strongly laterally flattened filefish with rough skin and a small mouth; the first dorsal fin spine stands on the head like an upright trigger. Note: in tropical areas this species can cause ciguatera poisoning when eaten; large specimens of coral reef predators can accumulate the toxin. Eat with care or avoid in risk areas.

Where does the Orange filefish live?

The Orange filefish lives in the sea (marine waters) and is mostly found around algae or seagrass beds. Western Atlantic off the coasts of North, Central and South America, above seagrass beds and sandy bottoms of shallow coastal water.

How big does the Orange filefish get?

The Orange filefish grows to a maximum of about 61 cm. On average the species is around 40 cm.

Is the Orange filefish dangerous to humans?

No, the Orange filefish is harmless to humans. None required: this species is harmless to humans.

Is the Orange filefish edible?

The Orange filefish is rarely eaten.

More photos

Orange filefish (Aluterus schoepfii) — Monacanthidae — 2
iNaturalist ((c) michael_zambardino, some rights reserved (CC BY-NC))
Orange filefish (Aluterus schoepfii) — Monacanthidae — 3
iNaturalist ((c) mcbpliz, some rights reserved (CC BY-NC))
Orange filefish (Aluterus schoepfii) — Monacanthidae — 4
Wikimedia Commons — D Ross Robertson (Public domain)
Orange filefish (Aluterus schoepfii) — Monacanthidae — 5
Wikimedia Commons — D Ross Robertson (Public domain)
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All data

Identification

English name
Orange filefish verified
Scientific name
Aluterus schoepfii
Family
Monacanthidae
Other names
Orange Fiiefish; Orange filefish; Filefish; Tobaccofish verified

Appearance

Size class
Large verified
Max length (cm)
61.0 verified
Average length (cm)
40.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Yellow / gold sourced
Pattern
Spots sourced
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No verified
Dorsal fins
Two separate sourced
Dorsal spines
Yes verified

Habitat & distribution

Water type
Saltwater verified
Substrate
Algae or seagrass meadow verified
Min depth (m)
3.0 verified
Max depth (m)
900.0 verified
Natural range
Western Atlantic off the coasts of North, Central and South America, above seagrass beds and sandy bottoms of shallow coastal water. verified
Origin
Native verified

Behaviour & biology

Diet
Herbivore verified
Diet (detail)
Seagrass, algae and small sessile invertebrates sourced
Social behaviour
Solitary verified
Territorial
No verified
Activity
Diurnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Lives over seagrass and sand; sometimes drifts at an angle or head-down among the seagrass to blend in. sourced
Special features
Deep-bodied, strongly laterally flattened filefish with rough skin and a small mouth; the first dorsal fin spine stands on the head like an upright trigger. Note: in tropical areas this species can cause ciguatera poisoning when eaten; large specimens of coral reef predators can accumulate the toxin. Eat with care or avoid in risk areas. verified

For anglers

Edibility
Rarely eaten verified
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Aluterus

More from the family Monacanthidae

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