Loading map...
♥ Donate

Triportheus rotundatus

Triportheus rotundatus

Triportheus rotundatus© FishBase (CC BY-NC)

Triportheus rotundatus, commonly known as the roundfin tetra, is a small, silvery freshwater characin found in South American rivers. It is popular among sport anglers for its quick bursts and willingness to strike tiny lures, though it is not a primary food fish.

Fight
Taste

Basic Information

Family

Triportheidae

Max Size

26.8 cm

Habitat

freshwater

Climate

tropical

Best Season

Rainy season (Nov‑Apr) when water levels rise and fish are more active

Best Time

Early morning and late afternoon

Distribution

No distribution map available

Fishing Tips for Triportheus rotundatus

  • Use ultra‑light spin gear (2‑4 lb test line) to feel subtle bites
  • Present tiny lures or live insects near the surface or mid‑water where they feed
  • Fish around submerged vegetation and overhanging roots where they hide
  • Keep retrieval slow and erratic to mimic natural prey movement

Top Fishing Locations for Triportheus rotundatus

Rio Negro (Manaus)

Brazil
intermediate82% Very Common

World-renowned stretch of the Rio Negro near Manaus, offering clear blackwater habitats where Triportheus rotundatus congregates in large schools during the low water season.

Best: June - September

Upper Amazon (Rio Solimões)

Peru
intermediate74% Very Common

Prime tributary of the Amazon near Iquitos; anglers target this species in deep pools and oxbow lakes where it feeds on fruits and insects.

Best: May - August

Orinoco River (Ciudad Bolívar)

Venezuela
beginner88% Very Common

Accessible stretch of the Orinoco with abundant flooded forest; Triportheus rotundatus is abundant and easy to locate during the dry season.

Best: December - February

Rio Xingu (Altamira)

Brazil
expert61% Common

Remote but legendary Xingu basin offers crystal‑clear rapids and deep channels; the fish is present but requires longer trips and specialized guides.

Best: July - September

Pantanal Floodplains (Corumbá)

Brazil
intermediate77% Very Common

Vast wetlands of the Pantanal provide seasonal floodplains where the species aggregates; popular among adventure anglers.

Best: October - December

Rio Tocantins (Porto Nacional)

Brazil
beginner55% Common

Wide, slow‑moving sections of the Tocantins are known for steady catches; a good option for anglers seeking reliable results without extreme logistics.

Best: April - June

Market Prices

Recommended Fishing Equipment for Triportheus rotundatus

Recommended Equipment

RodUltralight spinning rod 4‑5 ft, fast action
Line2‑4 lb test monofilament or fluorocarbon
Lure TypeSmall soft‑plastic grubs, micro spinners, or tiny jigs (1‑2 cm)
TechniqueLight spin casting with slow, erratic retrieves near cover

Best bait: Live insect larvae or micro worms