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Short-headed tetra (Knodus breviceps) — Characidae

Short-headed tetra

Knodus breviceps
Family: Characidae
LC · Least Concern

The Short-headed tetra (Knodus breviceps) is a freshwater fish of the family Characidae that grows up to 9 cm.

Length
8.7 cm
Water
Freshwater
Depth
0–? m
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Edibility
Not eaten

Description

The short-headed tetra is a small characin from the Tocantins basin in Brazil in South America. It grows to about 9 cm and has a slender, silvery body with a short head and, like most tetras, an adipose fin behind the dorsal fin. It lives in schools in tropical fresh water, both near the bottom and in the water column, and feeds omnivorously on small invertebrates and plant matter. The fish is harmless to humans and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the Short-headed tetra?

The Short-headed tetra has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern.

Where does the Short-headed tetra live?

The Short-headed tetra lives in fresh water and is mostly found around mixed bottom.

How big does the Short-headed tetra get?

The Short-headed tetra grows to a maximum of about 9 cm.

Is the Short-headed tetra dangerous to humans?

No, the Short-headed tetra is harmless to humans.

Is the Short-headed tetra edible?

The Short-headed tetra is not usually eaten.

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All data

Identification

Dutch name
Kortkop-tetra verified
English name
Short-headed tetra verified
Scientific name
Knodus breviceps
Family
Characidae

Appearance

Size class
Small verified
Max length (cm)
8.7 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Min depth (m)
0 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
Not eaten sourced
Fishing method
Geen doelsoort voor de hengelsport; hooguit incidentele vangst of bruikbaar als aasvisje. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

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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