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Embroidered sea catfish (Amphiarius phrygiatus) — Ariidae

Embroidered sea catfish

Amphiarius phrygiatus
Family: Ariidae

The Embroidered sea catfish (Amphiarius phrygiatus) is a brackish-water fish of the family Ariidae that grows up to 30 cm.

Length
30 cm
Water
Brackish
Diet
Carnivore
Behaviour
Small groups
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Venomous / poisonous
Range
Turbid estuaries and mangrove lagoons of eastern South America.
Edibility
Rarely eaten

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Description

The embroidered sea catfish is a sea catfish (Ariidae) from turbid coastal and estuarine water of the western Atlantic off Brazil. The species grows to about 30 cm and has a sturdy, greyish, scaleless body with three pairs of barbels and an adipose fin. As a bottom-dweller it searches over sand and mud for worms, crustaceans and small fish; the male broods the large eggs in his mouth. The dorsal and pectoral spines are venomous and can give a painful puncture wound.

Frequently asked questions

How do you recognise the Embroidered sea catfish?

The Embroidered sea catfish has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Venomous, serrated fin spines; the male broods the eggs in its mouth (estuarine dweller).

Where does the Embroidered sea catfish live?

The Embroidered sea catfish lives in brackish water and is mostly found around sand or mud bottom. Turbid estuaries and mangrove lagoons of eastern South America.

How big does the Embroidered sea catfish get?

The Embroidered sea catfish grows to a maximum of about 30 cm.

Is the Embroidered sea catfish dangerous to humans?

The Embroidered sea catfish is venomous — handle spines with care and seek medical help after a sting if needed. For a sting from a fin spine: rinse the wound, remove any visible spine fragments and immerse the part for 30-90 minutes in water as hot as can be tolerated (about 45 C) to break down the venom. The pain can be severe. For marked swelling, a retained spine or signs of infection seek medical care and check tetanus status.

Is the Embroidered sea catfish edible?

The Embroidered sea catfish is rarely eaten.

More photos

Embroidered sea catfish (Amphiarius phrygiatus) — Ariidae — 2
iNaturalist ((c) IHUNTA, some rights reserved (CC BY-NC))
Embroidered sea catfish (Amphiarius phrygiatus) — Ariidae — 3
iNaturalist ((c) IHUNTA, some rights reserved (CC BY-NC))
Embroidered sea catfish (Amphiarius phrygiatus) — Ariidae — 4
iNaturalist ((c) fins_and_fur, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Embroidered sea catfish sourced
Scientific name
Amphiarius phrygiatus
Family
Ariidae
Other names
Kukwari sea catfish; Marine catfish

Appearance

Size class
Medium
Max length (cm)
30 inferred
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Inferior (downward) inferred
Lips
Thin inferred
Barbels
Yes sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Natural range
Turbid estuaries and mangrove lagoons of eastern South America. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Benthic invertebrates and small fishes sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Males brood the eggs in the mouth (mouthbrooder). inferred
Special features
Venomous, serrated fin spines; the male broods the eggs in its mouth (estuarine dweller). sourced

For anglers

Edibility
Rarely eaten sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Venomous / poisonous verified
First aid
For a sting from a fin spine: rinse the wound, remove any visible spine fragments and immerse the part for 30-90 minutes in water as hot as can be tolerated (about 45 C) to break down the venom. The pain can be severe. For marked swelling, a retained spine or signs of infection seek medical care and check tetanus status. sourced

Status & sources

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

Same genus Amphiarius

More from the family Ariidae

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