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Silver sabretooth tetra (Cynopotamus argenteus) — Characidae

Silver sabretooth tetra

Cynopotamus argenteus
Family: Characidae

The Silver sabretooth tetra (Cynopotamus argenteus) is a freshwater fish of the family Characidae that grows up to 30 cm.

Length
29.5 cm
Water
Freshwater
Diet
Omnivore
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
South America: Argentina, Brazil, Paraguay, Uruguay

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Description

The silver sabretooth tetra is a predatory characin (Characidae) from fresh water of the La Plata basin in southern South America. The species grows to about 30 cm and has an elongate, bright-silvery, laterally compressed body with an upturned mouth and prominent canine teeth. As an open-water predator it hunts smaller fish in rivers and lakes. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Silver sabretooth tetra?

The Silver sabretooth tetra has a flattened, disc-shaped body and is mainly silver-grey.

Where does the Silver sabretooth tetra live?

The Silver sabretooth tetra lives in fresh water and is mostly found around mixed bottom. South America: Argentina, Brazil, Paraguay, Uruguay

How big does the Silver sabretooth tetra get?

The Silver sabretooth tetra grows to a maximum of about 30 cm.

Is the Silver sabretooth tetra dangerous to humans?

No, the Silver sabretooth tetra is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

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All data

Identification

English name
Silver sabretooth tetra sourced
Scientific name
Cynopotamus argenteus
Family
Characidae

Appearance

Size class
Medium verified
Max length (cm)
29.5 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred
Mouth position
Superior (upward) sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
South America: Argentina, Brazil, Paraguay, Uruguay sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Diet (detail)
Invertebrates, algae and detritus inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Cynopotamus

More from the family Characidae

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