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Spiny-eel (Mastacembelus nigromarginatus) — Mastacembelidae

Spiny-eel

Mastacembelus nigromarginatus
LC · Least Concern

The Spiny-eel (Mastacembelus nigromarginatus) is a freshwater fish of the family Mastacembelidae that grows up to 42 cm.

Length
42.2 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Snake-like
Substrate
Mixed bottom
Danger
Harmless
Range
West and Central Africa, in rivers and streams; burrows into the bottom during the day.
Edibility
Rarely eaten

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Description

Mastacembelus nigromarginatus is a spiny eel (family Mastacembelidae) of West and Central Africa. The species grows to about 42 cm and has an elongate, eel-like, brown mottled body with a long, mobile snout and a row of short spines before the dorsal fin. It inhabits rivers and streams and burrows into the substrate by day. Its diet consists of insect larvae, worms and small invertebrates, which it searches for at night. The species is of modest local value and is harmless to humans. Little is known in detail about its reproduction.

Frequently asked questions

How do you recognise the Spiny-eel?

The Spiny-eel has a snake-like body, is mainly brown and shows a marbled pattern. Eel-shaped spiny eel with a long, mobile snout and a row of dorsal spines.

Where does the Spiny-eel live?

The Spiny-eel lives in fresh water and is mostly found around mixed bottom. West and Central Africa, in rivers and streams; burrows into the bottom during the day.

How big does the Spiny-eel get?

The Spiny-eel grows to a maximum of about 42 cm.

Is the Spiny-eel dangerous to humans?

No, the Spiny-eel is harmless to humans. None required: this species is harmless to humans.

Is the Spiny-eel edible?

The Spiny-eel is rarely eaten.

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All data

Identification

English name
Spiny-eel verified
Scientific name
Mastacembelus nigromarginatus
Family
Mastacembelidae
Other names
Spiny eel verified

Appearance

Size class
Large verified
Max length (cm)
42.2 verified
Body shape
Snake-like sourced
Dominant colour
Brown inferred
Pattern
Marbled inferred
Tail shape
Rounded inferred
Mouth position
Inferior (downward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
West and Central Africa, in rivers and streams; burrows into the bottom during the day. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Insect larvae, worms and small invertebrates sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Activity
Nocturnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Eel-shaped spiny eel with a long, mobile snout and a row of dorsal spines. sourced

For anglers

Edibility
Rarely 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
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 Mastacembelus

More from the family Mastacembelidae

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