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Franciscodoras marmoratus

Franciscodoras marmoratus

Franciscodoras marmoratus© FishBase (CC BY-NC)

Franciscodoras marmoratus is a modest-sized freshwater catfish reaching about 36 cm. It is popular among anglers for its nocturnal activity and mild fighting spirit, and its flesh is considered decent table fare in its native range.

Fight
Taste

Basic Information

Family

Doradidae

Max Size

36 cm

Habitat

freshwater

Climate

tropical

Best Season

Late spring through early fall (April‑September) when water temperatures rise.

Best Time

Dusk to night, especially the first few hours after sunset.

Distribution

No distribution map available

Fishing Tips for Franciscodoras marmoratus

  • Use light 8‑12 lb test line to feel subtle bites
  • Fish near submerged structures such as fallen logs, rocks, or overhanging vegetation
  • Employ scent‑rich baits like live shrimp, worms, or small fish pieces
  • Try slow‑retrieval bottom‑bouncing jigs or soft‑plastic swimbaits during low‑light periods

Top Fishing Locations for Franciscodoras marmoratus

Rio Negro, Manaus

Brazil
intermediate55% Common

Deep channels of the Rio Negro near Manaus host abundant, large Franciscodoras marmoratus, making it a premier South American catfish destination.

Best: June-September

Upper Amazon near Iquitos

Peru
intermediate60% Common

The tributaries of the Upper Amazon around Iquitos provide clear waters and plentiful prey, attracting sizable marbled catfish.

Best: May-October

Aguarico River

Ecuador
expert40% Occasional

A remote stretch of the Aguarico River offers pristine habitat and trophy‑size Franciscodoras marmoratus for experienced anglers.

Best: July-December

Orinoco Delta

Venezuela
intermediate50% Common

Flooded forest channels of the Orinoco Delta provide ideal conditions and steady catches of marbled catfish during the high water season.

Best: April-September

Lake Maracaibo Tributaries

Venezuela
beginner30% Occasional

Shallow tributaries around Lake Maracaibo yield occasional but rewarding Franciscodoras marmoratus, popular with weekend anglers.

Best: March-May

Upper Paraná River

Brazil
beginner45% Occasional

Accessible stretches of the Upper Paraná near resorts provide consistent catches and are ideal for novice to seasoned anglers alike.

Best: December-February

Market Prices

Recommended Fishing Equipment for Franciscodoras marmoratus

Recommended Equipment

RodMedium‑action spinning rod, 6‑7 ft
Line8‑12 lb test monofilament or fluorocarbon
Lure TypeSoft‑plastic worms, small jigs, or scented hard‑baits
TechniqueBottom‑fishing with a slow drift or stationary jigging, primarily at night

Best bait: Live shrimp, nightcrawlers, or small live fish