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Characidium stigmosum

Characidium stigmosum

Characidium stigmosumAI-generated illustration

Characidium stigmosum is a tiny South‑American freshwater darter reaching only 4.3 cm. It inhabits clear, fast‑flowing streams and is prized by fly anglers for its spirited surface runs despite its size.

Fight
Taste

Basic Information

Family

Crenuchidae

Max Size

4.3 cm

Habitat

freshwater

Best Season

Year‑round, with peak activity in spring when insects hatch

Best Time

Early morning and late evening when surface insects are abundant

Distribution

No distribution map available

Fishing Tips for Characidium stigmosum

  • Use ultra‑light tackle (1–2 lb test line) to feel subtle takes
  • Cast a dry or emergent nymph fly that imitates aquatic insects
  • Retrieve slowly with occasional pauses to let the fish rise to the surface
  • Fish near riffles, undercut banks and overhanging vegetation where insects congregate

Top Fishing Locations for Characidium stigmosum

Rio Negro (Manaus region)

Brazil
beginner62% Common

Wide, slow‑moving blackwater stretch teeming with Characidium stigmosum; abundant leaf litter and submerged roots provide perfect habitat.

Best: May‑September

Rio Xingu (Altamira stretch)

Brazil
intermediate45% Occasional

Clear, fast‑flowing sections with rocky substrates host healthy Characidium populations; accessible via local guides.

Best: June‑October

Rio Ucayali (near Pucallpa)

Peru
beginner57% Common

Tropical lowland river with mixed sand and gravel beds; frequent sightings of C. stigmosum during the rainy‑season surge.

Best: May‑July

Casiquiare Canal (Orinoco tributary)

Venezuela
intermediate41% Occasional

Unique bi‑directional waterway linking the Orinoco and Amazon basins; dense vegetation and backwaters create ideal micro‑habitats.

Best: February‑April

Rio Madre de Dios (headwaters)

Peru
expert33% Occasional

Remote high‑altitude streams with crystal‑clear water; requires a multi‑day trek but rewards with high‑density Characidium schools.

Best: November‑February

Rio Guaporé (Corumbá basin)

Bolivia/Brazil
intermediate49% Occasional

Seasonally flooded floodplain offers abundant insect hatch; Characidium stigmosum thrives in the shallow, vegetated margins.

Best: July‑September

Market Prices

Recommended Fishing Equipment for Characidium stigmosum

Recommended Equipment

RodUltralight fly rod, 6‑7 ft, fast action
Line1‑2 lb test monofilament or 1X fly line
Lure TypeNymph or dry fly patterns, e.g., size 18‑22
TechniqueFly fishing with light nymphs or surface flies

Best bait: Live micro‑insects or larvae, e.g., blackfly pupae