Characidium duplicatum
Characidium duplicatum
Characidium duplicatum is a tiny freshwater minnow reaching just 3.9 cm. It inhabits clear, shallow streams with gravel or sand bottoms and is of interest mainly to scientists rather than sport anglers.
Basic Information
Family
Crenuchidae
Max Size
3.9 cm
Habitat
freshwater
Climate
tropical
Best Season
Spring and early summer (April-June)
Best Time
Early morning (dawn) and late afternoon
Distribution
No distribution map available
Fishing Tips for Characidium duplicatum
- Use ultra-light tackle such as a 2-4 lb test line
- Select tiny hooks (size 18-22) and fine split-shot weight
- Offer live micro-bait like daphnia, mosquito larvae, or crushed insects
- Fish in slow-moving or still water near vegetation and keep the line extremely slack
Top Fishing Locations for Characidium duplicatum
Rio Negro (Manaus)
BrazilA prolific stretch of the Rio Negro near Manaus where Characidium duplicatum thrives among submerged roots and leaf litter.
Best: June-August
Upper Orinoco (Canaima)
VenezuelaClear blackwater channels of the Upper Orinoco provide ideal habitat; local guides specialize in darter fishing.
Best: March-May
Madre de Dios River (Puerto Maldonado)
PeruWarm, slow‑moving tributaries in the Amazonian lowlands host abundant Characidium populations; easy access from the town.
Best: November-February
Paraná River (Rosario)
ArgentinaRiver bends and sandbars downstream of Rosario are known for consistent catches during spring runoff.
Best: September-November
Tapanahony River
SurinameRemote Guiana Shield tributary with crystal‑clear water; reaches are only accessible by boat, attracting adventurous anglers.
Best: May-July
Xingu River (Altamira)
BrazilFast‑flowing sections of the Xingu near Altamira offer rocky substrates favored by Characidium duplicatum.
Best: July-September
Market Prices
Recommended Fishing Equipment for Characidium duplicatum
Recommended Equipment
Best bait: Live daphnia, mosquito larvae, or crushed insects