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Halfline hemiodus (Hemiodus semitaeniatus) — Hemiodontidae

Halfline hemiodus

Hemiodus semitaeniatus
Family: Hemiodontidae
LC · Least Concern

The Halfline hemiodus (Hemiodus semitaeniatus) is a freshwater fish of the family Hemiodontidae that grows up to 20 cm.

Length
20 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Large groups
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Edibility
Rarely eaten

Description

The halftooth is a characin relative (Hemiodontidae) from South America. The species has a slender, streamlined, silvery body with a dark lengthwise stripe that continues into the lower tail lobe. It lives in schools in rivers and floodplains and is a fast swimmer. As an omnivore it feeds on algae, detritus, plant matter and small zooplankton. It is a prey fish for larger fishes. The species is harmless to humans.

Frequently asked questions

How do you recognise the Halfline hemiodus?

The Halfline hemiodus has a torpedo-shaped body, is mainly silver-grey and shows a horizontal stripes pattern.

Where does the Halfline hemiodus live?

The Halfline hemiodus lives in fresh water and is mostly found around mixed bottom.

How big does the Halfline hemiodus get?

The Halfline hemiodus grows to a maximum of about 20 cm.

Is the Halfline hemiodus dangerous to humans?

No, the Halfline hemiodus is harmless to humans.

Is the Halfline hemiodus edible?

The Halfline hemiodus is rarely eaten.

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All data

Identification

Dutch name
Halfstreep-hemiodus sourced
English name
Halfline hemiodus verified
Scientific name
Hemiodus semitaeniatus
Family
Hemiodontidae

Appearance

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

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Large groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred

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

Same genus Hemiodus

More from the family Hemiodontidae

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