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Darkfin eeltail catfish (Plotosus limbatus) — Plotosidae

Darkfin eeltail catfish

Plotosus limbatus
Family: Plotosidae

The Darkfin eeltail catfish (Plotosus limbatus) is a fish that lives in both fresh and salt water of the family Plotosidae that grows up to 50 cm.

Length
50 cm
Water
Euryhaline
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Venomous / poisonous
Range
Africa: Sri Lanka, India, Kenya, Mauritius, Oman, Seychelles and others
Edibility
Commonly eaten

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Description

The Darkfin eeltail catfish is an eeltail catfish (Plotosidae) from coastal and reef water of the Indo-West Pacific. The species grows to about 30 cm and has an eel-like, dark body in which the second dorsal, tail and anal fins are fused into a long border, with barbels around the mouth. As a bottom-dweller it searches over sand and among reef for worms, crustaceans and molluscs; young form dense ball-shaped schools. The dorsal and pectoral spines are strongly venomous and can give a very painful puncture wound.

Frequently asked questions

How do you recognise the Darkfin eeltail catfish?

The Darkfin eeltail catfish has a torpedo-shaped body and is mainly brown. Bears venomous spines or tissue; handle with great care.

Where does the Darkfin eeltail catfish live?

The Darkfin eeltail catfish lives in both fresh and salt water and is mostly found around sand or mud bottom. Africa: Sri Lanka, India, Kenya, Mauritius, Oman, Seychelles and others

How big does the Darkfin eeltail catfish get?

The Darkfin eeltail catfish grows to a maximum of about 50 cm. On average the species is around 30 cm.

Is the Darkfin eeltail catfish dangerous to humans?

The Darkfin eeltail 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 Darkfin eeltail catfish edible?

Yes, the Darkfin eeltail catfish is commonly eaten.

More photos

Darkfin eeltail catfish (Plotosus limbatus) — Plotosidae — 2
Randall, John E. (CC0 1.0) via GBIF — USNM
Darkfin eeltail catfish (Plotosus limbatus) — Plotosidae — 3
Randall, John E. (CC0 1.0) via GBIF — USNM
Darkfin eeltail catfish (Plotosus limbatus) — Plotosidae — 4
iNaturalist ((c) Marie-Aurélia Sabatte, some rights reserved (CC BY-NC))
Darkfin eeltail catfish (Plotosus limbatus) — Plotosidae — 5
iNaturalist ((c) Adithya P., some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Darkfin eeltail catfish sourced
Scientific name
Plotosus limbatus
Family
Plotosidae
Other names
Darkfin eel catfish; Eel-barbel; Eel-catfish; Indian ee-catfish verified

Appearance

Size class
Large verified
Max length (cm)
50.0 verified
Average length (cm)
30.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Tail shape
Straight inferred
Barbels
Yes sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Euryhaline sourced
Substrate
Sand / mud bottom sourced
Natural range
Africa: Sri Lanka, India, Kenya, Mauritius, Oman, Seychelles and others sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Bears venomous spines or tissue; handle with great care. inferred

For anglers

Edibility
Commonly eaten inferred
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
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 Plotosus

More from the family Plotosidae

Fin

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