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American butterfish (Peprilus triacanthus) — Stromateidae

American butterfish

Peprilus triacanthus
Family: Stromateidae
LC · Least Concern

The American butterfish (Peprilus triacanthus) is a brackish-water fish of the family Stromateidae that grows up to 30 cm.

Length
30 cm
Water
Brackish
Depth
15.0–420.0 m
Diet
Carnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Western Atlantic along the east coast of North America, from Canada to Florida and the Gulf of Mexico.
Edibility
Commonly eaten

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Description

The American butterfish is a deep, disc-shaped marine fish of the family Stromateidae reaching about 30 cm. The strongly compressed body is glossy silver with a blue-green tinge and bears small, easily shed scales. The species lives in the western Atlantic along the east coast of North America, from Canada to the Gulf of Mexico, and forms schools that move seasonally between shallow coastal water and deeper water. Juveniles often shelter under the bells of jellyfish. The butterfish feeds on small plankton, jellyfish and small fish. With its rich, tasty flesh it is a valued food fish on the American east coast.

Frequently asked questions

How do you recognise the American butterfish?

The American butterfish has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Deep, laterally flattened, disc-shaped and silvery; young fish often shelter under jellyfish.

Where does the American butterfish live?

The American butterfish lives in brackish water and is mostly found around mixed bottom. Western Atlantic along the east coast of North America, from Canada to Florida and the Gulf of Mexico.

How big does the American butterfish get?

The American butterfish grows to a maximum of about 30 cm. On average the species is around 20 cm.

Is the American butterfish dangerous to humans?

No, the American butterfish is harmless to humans. None required: this species is harmless to humans.

Is the American butterfish edible?

Yes, the American butterfish is commonly eaten.

More photos

American butterfish (Peprilus triacanthus) — Stromateidae — 2
iNaturalist ((c) michael_zambardino, some rights reserved (CC BY-NC))
American butterfish (Peprilus triacanthus) — Stromateidae — 3
iNaturalist ((c) Robbie, some rights reserved (CC BY))
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All data

Identification

English name
American butterfish verified
Scientific name
Peprilus triacanthus
Family
Stromateidae
Other names
Atlantic butterfish; Butterfish; Dollar fish; Pumpkin scad; Sheephead verified

Appearance

Size class
Medium verified
Max length (cm)
30.0 verified
Average length (cm)
20.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Pattern
Plain sourced
Tail shape
Forked sourced
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Brackish sourced
Substrate
Mixed bottom sourced
Min depth (m)
15.0 verified
Max depth (m)
420.0 verified
Natural range
Western Atlantic along the east coast of North America, from Canada to Florida and the Gulf of Mexico. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Worms, crustaceans, molluscs and benthic invertebrates inferred
Social behaviour
Schooling verified
Territorial
No verified
Activity
Diurnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Forms shoals that migrate seasonally between the coast and deeper water; spawns in spring and summer with planktonic eggs. sourced
Special features
Deep, laterally flattened, disc-shaped and silvery; young fish often shelter under jellyfish. sourced

For anglers

Edibility
Commonly eaten verified
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
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 Peprilus

More from the family Stromateidae

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