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Greshoff's spiny eel (Mastacembelus greshoffi) — Mastacembelidae

Greshoff's spiny eel

Mastacembelus greshoffi
LC · Least Concern

The Greshoff's spiny eel (Mastacembelus greshoffi) is a freshwater fish of the family Mastacembelidae that grows up to 33 cm.

Length
33.3 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Snake-like
Substrate
Sand / mud bottom
Danger
Harmless
Range
Central Africa; rocky bottoms of rivers and lakes of the Congo basin.
Edibility
Rarely eaten

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Description

Greshoff's spiny eel is an eel-like freshwater fish of the spiny eel family (Mastacembelidae) from the Congo basin in Central Africa. The species grows to about 33 cm and has a strongly elongate, snake-like body with a pointed, mobile snout and a row of short, separate spines before the soft dorsal fin, from which the family takes its name. It lives over rocky bottoms in rivers and lakes, including rapids, and likes to burrow. As a nocturnal bottom hunter it searches for worms, insect larvae and small invertebrates. The spines can prick, but the species is otherwise harmless to humans.

Frequently asked questions

How do you recognise the Greshoff's spiny eel?

The Greshoff's spiny eel has a snake-like body, is mainly brown and shows a marbled pattern. Snake-like body with a mobile snout and a row of separate dorsal spines; likes to bury itself.

Where does the Greshoff's spiny eel live?

The Greshoff's spiny eel lives in fresh water and is mostly found around sand or mud bottom. Central Africa; rocky bottoms of rivers and lakes of the Congo basin.

How big does the Greshoff's spiny eel get?

The Greshoff's spiny eel grows to a maximum of about 33 cm.

Is the Greshoff's spiny eel dangerous to humans?

No, the Greshoff's spiny eel is harmless to humans. None required: this species is harmless to humans.

Is the Greshoff's spiny eel edible?

The Greshoff's spiny eel is rarely eaten.

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All data

Identification

English name
Greshoff's spiny eel sourced
Scientific name
Mastacembelus greshoffi
Family
Mastacembelidae

Appearance

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

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Central Africa; rocky bottoms of rivers and lakes of the Congo basin. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Worms, insect larvae 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
Snake-like body with a mobile snout and a row of separate dorsal spines; likes to bury itself. 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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