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Roundbody triportheus (Triportheus rotundatus) — Triportheidae

Roundbody triportheus

Triportheus rotundatus
Family: Triportheidae
LC · Least Concern

The Roundbody triportheus (Triportheus rotundatus) is a freshwater fish of the family Triportheidae that grows up to 27 cm.

Length
26.8 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Body shape
Flat / disc-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Freshwater of the Amazon basin in South America.
Edibility
Commonly eaten

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Description

Triportheus rotundatus is a silvery characin of the family Triportheidae from the Amazon basin in South America. The species has a laterally compressed body with a conspicuously keeled, forward-projecting breast and long pectoral fins, and reaches about 27 cm. It lives in rivers and small creeks with little current and is a surface omnivore feeding on fruits, seeds and insects floating on the water. Reproduction takes place during the rainy season, when flooded forests provide abundant food. The species is of local fishery importance.

Frequently asked questions

How do you recognise the Roundbody triportheus?

The Roundbody triportheus has a flattened, disc-shaped body, is mainly silver-grey and shows a plain pattern. Strongly keeled breast and long pectoral fins; surface feeder on floating food.

Where does the Roundbody triportheus live?

The Roundbody triportheus lives in fresh water and is mostly found around mixed bottom. Freshwater of the Amazon basin in South America.

How big does the Roundbody triportheus get?

The Roundbody triportheus grows to a maximum of about 27 cm.

Is the Roundbody triportheus dangerous to humans?

No, the Roundbody triportheus 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.

Is the Roundbody triportheus edible?

Yes, the Roundbody triportheus is commonly eaten.

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All data

Identification

English name
Roundbody triportheus sourced
Scientific name
Triportheus rotundatus
Family
Triportheidae

Appearance

Size class
Medium verified
Max length (cm)
26.8 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Superior (upward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Freshwater of the Amazon basin in South America. inferred
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Fruits, seeds and insects from the water surface sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Reproduction during the rainy season in flooded areas. inferred
Special features
Strongly keeled breast and long pectoral fins; surface feeder on floating food. sourced

For anglers

Edibility
Commonly eaten sourced
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 sourced
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 Triportheus

More from the family Triportheidae

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