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Guenther's spiny eel (Macrognathus guentheri) — Mastacembelidae

Guenther's spiny eel

Macrognathus guentheri

The Guenther's spiny eel (Macrognathus guentheri) is a freshwater fish of the family Mastacembelidae that grows up to 30 cm.

Length
29.9 cm
Water
Freshwater
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Commonly eaten

Description

The Guenther's spiny eel is a spiny eel (Mastacembelidae) from slow-flowing and still fresh water of South Asia. The species grows to about 25 cm and has a very slender, eel-like, brown-marbled body with a fleshy, mobile snout and a row of short, separate spinelets before the dorsal fin. As a nocturnal bottom-dweller it buries in sand and mud by day and searches for worms, insect larvae and small invertebrates at night. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Guenther's spiny eel?

The Guenther's spiny eel has an elongate, eel-like body, is mainly brown and shows a marbled pattern.

Where does the Guenther's spiny eel live?

The Guenther's spiny eel lives in fresh water and is mostly found around sand or mud bottom.

How big does the Guenther's spiny eel get?

The Guenther's spiny eel grows to a maximum of about 30 cm. On average the species is around 20 cm.

Is the Guenther's spiny eel dangerous to humans?

No, the Guenther's spiny eel is harmless to humans.

Is the Guenther's spiny eel edible?

Yes, the Guenther's spiny eel is commonly eaten.

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All data

Identification

Dutch name
Guenthers stekelaal sourced
English name
Guenther's spiny eel sourced
Scientific name
Macrognathus guentheri
Family
Mastacembelidae
Other names
Malabar spinyeel sourced

Appearance

Size class
Medium verified
Max length (cm)
29.9 verified
Average length (cm)
20.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Marbled sourced
Tail shape
Rounded inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Activity
Nocturnal sourced
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Edibility
Commonly eaten inferred
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Macrognathus

More from the family Mastacembelidae

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