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Gamma tetra (Knodus gamma) — Characidae

Gamma tetra

Knodus gamma
Family: Characidae

The Gamma tetra (Knodus gamma) is a freshwater fish of the family Characidae that grows up to 5 cm.

Length
4.8 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless

Description

The gamma tetra is a small South American characin (Characidae) from clear fresh water of the Amazon basin. The species grows to about 5 cm and has a slender, silvery body with a fine dark longitudinal stripe and a spot on the tail base. As a schooling fish it swims in flowing streams and rivers and snaps at insects, larvae, algae and small zooplankton. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Gamma tetra?

The Gamma tetra has an elongate, eel-like body and is mainly silver-grey.

Where does the Gamma tetra live?

The Gamma tetra lives in fresh water and is mostly found around open water.

How big does the Gamma tetra get?

The Gamma tetra grows to a maximum of about 5 cm.

Is the Gamma tetra dangerous to humans?

No, the Gamma tetra is harmless to humans.

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All data

Identification

Dutch name
Gamma-zalmpje sourced
English name
Gamma tetra sourced
Scientific name
Knodus gamma
Family
Characidae

Appearance

Size class
Small verified
Max length (cm)
4.8 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Origin
Native inferred

Behaviour & biology

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

For anglers

Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Knodus

More from the family Characidae

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