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Smalleye elephantfish (Petrocephalus microphthalmus) — Mormyridae

Smalleye elephantfish

Petrocephalus microphthalmus
Family: Mormyridae
LC · Least Concern

The Smalleye elephantfish (Petrocephalus microphthalmus) is a freshwater fish of the family Mormyridae that grows up to 5 cm.

Length
5.2 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Small groups
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Freshwater of the Congo basin in Central Africa.
Edibility
Not eaten

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Description

The Smalleye elephantfish is an elephantfish (Mormyridae) from turbid fresh water of the Congo basin in Central Africa. The species grows to about 12 cm and has an elongate, dark body with far-set dorsal and anal fins and a small mouth. With a weak electric organ in the tail it generates electric pulses to navigate, find prey and communicate with conspecifics in the dark water. As a nocturnal bottom-dweller it searches for insect larvae and small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Smalleye elephantfish?

The Smalleye elephantfish has a torpedo-shaped body, is mainly brown and shows a plain pattern. Weak electric organ; small eyes and a blunt head, adapted to turbid water.

Where does the Smalleye elephantfish live?

The Smalleye elephantfish lives in fresh water and is mostly found around sand or mud bottom. Freshwater of the Congo basin in Central Africa.

How big does the Smalleye elephantfish get?

The Smalleye elephantfish grows to a maximum of about 5 cm.

Is the Smalleye elephantfish dangerous to humans?

No, the Smalleye elephantfish is harmless to humans. None required: this species is harmless to humans.

Is the Smalleye elephantfish edible?

The Smalleye elephantfish is not usually eaten.

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All data

Identification

English name
Smalleye elephantfish sourced
Scientific name
Petrocephalus microphthalmus
Family
Mormyridae

Appearance

Size class
Small verified
Max length (cm)
5.2 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Freshwater of the Congo basin in Central Africa. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small invertebrates and insect larvae sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Reproduction usually coincides with the rainy season and floods. inferred
Special features
Weak electric organ; small eyes and a blunt head, adapted to turbid water. sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Not a target species for angling; at most an incidental catch or usable as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
None required: this species is harmless to humans. verified

Status & sources

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

Same genus Petrocephalus

More from the family Mormyridae

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