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Blue sea catfish (Ariopsis guatemalensis) — Ariidae

Blue sea catfish

Ariopsis guatemalensis
Family: Ariidae
LC · Least Concern

The Blue sea catfish (Ariopsis guatemalensis) is a fish that lives in both fresh and salt water of the family Ariidae that grows up to 54 cm.

Length
54 cm
Water
Euryhaline
Depth
0.0–20.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Can cause injury
Range
Eastern Pacific
Edibility
Commonly eaten

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Description

The blue sea catfish is a sea catfish from the eastern Pacific, from the mouth of the Colorado River in Mexico to Costa Rica. The species grows to about 54 cm and has scaleless, blue-grey skin with barbels around the mouth. As a bottom-dweller it lives in coastal, brackish and estuarine water to about 20 metres depth and eats bottom animals. It carries strong, very long spines in the pectoral fins that can give deep puncture wounds. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Blue sea catfish?

The Blue sea catfish has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Very long pectoral fin spines that inflict deep puncture wounds; barbels around the mouth

Where does the Blue sea catfish live?

The Blue sea catfish lives in both fresh and salt water and is mostly found around sand or mud bottom. Eastern Pacific

How big does the Blue sea catfish get?

The Blue sea catfish grows to a maximum of about 54 cm.

Is the Blue sea catfish dangerous to humans?

The Blue sea catfish can cause injury; handle it with care. The long, sharp pectoral spines can cause deep puncture wounds that infect easily. Clean and disinfect the wound thoroughly, remove any spine fragments and seek medical help and a tetanus check for a deep puncture.

Is the Blue sea catfish edible?

Yes, the Blue sea catfish is commonly eaten.

More photos

Blue sea catfish (Ariopsis guatemalensis) — Ariidae — 2
iNaturalist ((c) donnymidas, some rights reserved (CC BY-NC))
Blue sea catfish (Ariopsis guatemalensis) — Ariidae — 3
iNaturalist ((c) Edgar Segovia, some rights reserved (CC BY-NC))
Blue sea catfish (Ariopsis guatemalensis) — Ariidae — 4
Wikimedia Commons — Godman, Frederick Du Cane, 1834-1919. ed; Regan, Charles Tate, 1878- (No restrictions)
Blue sea catfish (Ariopsis guatemalensis) — Ariidae — 5
iNaturalist ((c) Fernando Olea, some rights reserved (CC BY-NC))
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All data

Identification

English name
Blue sea catfish verified
Scientific name
Ariopsis guatemalensis
Family
Ariidae
Other names
Blue sea catfish; Widehead sea catfish verified

Appearance

Size class
Large verified
Max length (cm)
54.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
Yes sourced
Dorsal fins
One continuous sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Euryhaline sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
0.0 verified
Max depth (m)
20.0 verified
Natural range
Eastern Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Benthic invertebrates, crustaceans and small fishes inferred
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Estuarine sea catfish; present year-round. sourced
Special features
Very long pectoral fin spines that inflict deep puncture wounds; barbels around the mouth sourced

For anglers

Edibility
Commonly eaten sourced
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
Can cause injury sourced
First aid
The long, sharp pectoral spines can cause deep puncture wounds that infect easily. Clean and disinfect the wound thoroughly, remove any spine fragments and seek medical help and a tetanus check for a deep puncture. sourced

Status & sources

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

Same genus Ariopsis

More from the family Ariidae

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