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Red-tailed payara (Hydrolycus tatauaia) — Cynodontidae

Red-tailed payara

Hydrolycus tatauaia
Family: Cynodontidae

The Red-tailed payara (Hydrolycus tatauaia) is a freshwater fish of the family Cynodontidae that grows up to 59 cm.

Length
59 cm
Water
Freshwater
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Range
South America: Brazil, Colombia, Guyana, Venezuela

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Description

The Red-tailed payara is a large predatory characin (Cynodontidae) from fresh water of the Amazon and Orinoco basins in South America. The species grows to about 59 cm and has a streamlined, silvery body and a lower jaw with two enormous, dagger-like fangs that fit into holes in the upper skull. The fins and tail have a conspicuous red-orange tinge. As a fast open-water hunter it darts at smaller fish in rapids, impaling them with the fangs. It is a valued sport fish. The fish poses no danger to swimmers.

Frequently asked questions

How do you recognise the Red-tailed payara?

The Red-tailed payara has a torpedo-shaped body and is mainly silver-grey.

Where does the Red-tailed payara live?

The Red-tailed payara lives in fresh water and is mostly found around open water. South America: Brazil, Colombia, Guyana, Venezuela

How big does the Red-tailed payara get?

The Red-tailed payara grows to a maximum of about 59 cm.

Is the Red-tailed payara dangerous to humans?

No, the Red-tailed payara 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.

More photos

Red-tailed payara (Hydrolycus tatauaia) — Cynodontidae — 2
Wikimedia Commons — Clinton & Charles Robertson (CC BY 2.0)
Red-tailed payara (Hydrolycus tatauaia) — Cynodontidae — 3
iNaturalist ((c) lilianematos, some rights reserved (CC BY-NC))
Red-tailed payara (Hydrolycus tatauaia) — Cynodontidae — 4
iNaturalist ((c) lilianematos, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Red-tailed payara sourced
Scientific name
Hydrolycus tatauaia
Family
Cynodontidae

Appearance

Size class
Large verified
Max length (cm)
59.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Natural range
South America: Brazil, Colombia, Guyana, Venezuela sourced
Origin
Native inferred

Behaviour & biology

Territorial
No 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
Can be caught with natural bait or lures, matched to the size and habitat of the species. 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 Hydrolycus

More from the family Cynodontidae

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