Home · Pimelodidae · Flathead longwhisker catfish
Flathead longwhisker catfish (Megalonema platycephalum) — Pimelodidae

Flathead longwhisker catfish

Megalonema platycephalum
Family: Pimelodidae

The Flathead longwhisker catfish (Megalonema platycephalum) is a freshwater fish of the family Pimelodidae that grows up to 30 cm.

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

Description

The flathead longwhisker catfish is a long-whiskered catfish (Pimelodidae) from fresh water of the Amazon and Orinoco basins in South America. The species grows to about 30 cm and has an elongate, silver-grey, scaleless body with a flattened head, very long barbels and a deeply forked tail. As a nocturnal bottom predator it migrates through rivers and hunts insect larvae, crustaceans and small fish. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Flathead longwhisker catfish?

The Flathead longwhisker catfish has an elongate, eel-like body and is mainly silver-grey.

Where does the Flathead longwhisker catfish live?

The Flathead longwhisker catfish lives in fresh water and is mostly found around sand or mud bottom.

How big does the Flathead longwhisker catfish get?

The Flathead longwhisker catfish grows to a maximum of about 30 cm.

Is the Flathead longwhisker catfish dangerous to humans?

No, the Flathead longwhisker catfish is harmless to humans.

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →

All data

Identification

Dutch name
Platkop-antennemeerval sourced
English name
Flathead longwhisker catfish sourced
Scientific name
Megalonema platycephalum
Family
Pimelodidae

Appearance

Size class
Medium verified
Max length (cm)
30.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred
Barbels
Yes sourced

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

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

More from the family Pimelodidae

Download Fin's Fish Guide

Identify fish in seconds, log your catches and dives. Join the TestFlight beta.

Get the beta →