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Glass knifefish (Distocyclus conirostris) — Sternopygidae

Glass knifefish

Distocyclus conirostris
Family: Sternopygidae

The Glass knifefish (Distocyclus conirostris) is a freshwater fish of the family Sternopygidae that grows up to 50 cm.

Length
50 cm
Water
Freshwater
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless

Description

The glass knifefish is a weakly electric knifefish (Sternopygidae) from fresh water of the Amazon and Orinoco basins in South America. The species grows to about 50 cm and has an elongate, rearward-tapering, partly translucent body with a long anal fin along the belly with which it swims forwards and backwards. With a weak electric organ it explores its surroundings at night; the current cannot be felt by humans. It hunts small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Glass knifefish?

The Glass knifefish has an elongate, eel-like body and is mainly silver-grey.

Where does the Glass knifefish live?

The Glass knifefish lives in fresh water and is mostly found around mixed bottom.

How big does the Glass knifefish get?

The Glass knifefish grows to a maximum of about 50 cm.

Is the Glass knifefish dangerous to humans?

No, the Glass knifefish is harmless to humans.

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All data

Identification

Dutch name
Kegelsnuit-mesvis sourced
English name
Glass knifefish sourced
Scientific name
Distocyclus conirostris
Family
Sternopygidae

Appearance

Size class
Large verified
Max length (cm)
50.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Straight inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed 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 Sternopygidae

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