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Feather back (Papyrocranus afer) — Notopteridae

Feather back

Papyrocranus afer
Family: Notopteridae
LC · Least Concern

The Feather back (Papyrocranus afer) is a freshwater fish of the family Notopteridae that grows up to 80 cm.

Length
80 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Quiet, vegetated waters of West Africa.
Edibility
Commonly eaten

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Description

Papyrocranus afer, the reticulate knifefish or featherback, is a freshwater fish of the family Notopteridae from West Africa. The species has a laterally compressed body that tapers backwards, with the long anal fin fused to the caudal fin; with this it swims smoothly forwards and backwards by undulating movements. The dorsal fin is small and feather-like. The body bears a fine, net-like (reticulate) pattern. The fish prefers calm, densely vegetated waters, is active at night and hunts fishes and invertebrates. It can reach about 80 cm and is of local fishery importance.

Frequently asked questions

How do you recognise the Feather back?

The Feather back has a torpedo-shaped body, is mainly brown and shows a marbled pattern. Long anal fin fused with the tail; net-like markings; swims forwards and backwards.

Where does the Feather back live?

The Feather back lives in fresh water and is mostly found around sand or mud bottom. Quiet, vegetated waters of West Africa.

How big does the Feather back get?

The Feather back grows to a maximum of about 80 cm.

Is the Feather back dangerous to humans?

No, the Feather back is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Feather back edible?

Yes, the Feather back is commonly eaten.

More photos

Feather back (Papyrocranus afer) — Notopteridae — 2
SAIAB (CC BY 4.0) via GBIF — SAIAB
Feather back (Papyrocranus afer) — Notopteridae — 3
iNaturalist ((c) Gina Walsh, some rights reserved (CC BY-NC))
Feather back (Papyrocranus afer) — Notopteridae — 4
iNaturalist ((c) H.Grenier, some rights reserved (CC BY-NC))
Feather back (Papyrocranus afer) — Notopteridae — 5
iNaturalist ((c) H.Grenier, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Feather back verified
Scientific name
Papyrocranus afer
Family
Notopteridae
Other names
Reticulate knifefish verified

Appearance

Size class
Large verified
Max length (cm)
80.0 verified
Body shape
Torpedo-shaped 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
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Quiet, vegetated waters of West Africa. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Fishes and 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
Long anal fin fused with the tail; net-like markings; swims forwards and backwards. sourced

For anglers

Edibility
Commonly 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
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Papyrocranus

More from the family Notopteridae

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