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Longhead characin (Argonectes longiceps) — Hemiodontidae

Longhead characin

Argonectes longiceps
Family: Hemiodontidae
NE · Not Evaluated

The Longhead characin (Argonectes longiceps) is a freshwater fish of the family Hemiodontidae that grows up to 26 cm.

Length
26 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Edibility
Rarely eaten

Description

The longhead characin is a slender characin from fresh water of the Amazon and Orinoco basins of South America. The species grows to about 26 cm and has an elongate, silvery, laterally compressed body with a conspicuously long head and toothless jaws. It schools in open water of large rivers and uses its fine gill rakers to filter small zooplankton and detritus from the water. The fish is harmless to humans and is a local bait fish. The IUCN has not evaluated the species.

Frequently asked questions

How do you recognise the Longhead characin?

The Longhead characin has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern.

Where does the Longhead characin live?

The Longhead characin lives in fresh water and is mostly found around mixed bottom.

How big does the Longhead characin get?

The Longhead characin grows to a maximum of about 26 cm.

Is the Longhead characin dangerous to humans?

No, the Longhead characin is harmless to humans.

Is the Longhead characin edible?

The Longhead characin is rarely eaten.

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All data

Identification

Dutch name
Langkop-zoetwaterharing verified
English name
Longhead characin verified
Scientific name
Argonectes longiceps
Family
Hemiodontidae

Appearance

Size class
Medium verified
Max length (cm)
26.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Origin
Native verified

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced

For anglers

Edibility
Rarely eaten sourced
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 sourced

Status & sources

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

More from the family Hemiodontidae

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