Characidium phoxocephalum
Characidium phoxocephalum is a tiny freshwater characin native to South American streams, reaching about 9.8 cm. Its small size and shy nature make it a curiosity for anglers interested in micro‑species and stream fishing.
Family
Crenuchidae
Max Size
9.8 cm
Habitat
freshwater
Climate
tropical
Best Season
Spring to early summer when water temperatures rise to 20‑24 °C (68‑75 °F)
Best Time
Early morning or late afternoon when insects are most active
No distribution map available
Upper Rio Negro
BrazilClear blackwater tributary with abundant riffles where Characidium phoxocephalum thrives, making it a go‑to spot for enthusiasts.
Best: May to September
Rio Xingu (Altamira Section)
BrazilFast‑flowing, rocky stretches of the Xingu host dense populations of the species, attracting anglers seeking active fishing.
Best: June to August
Upper Orinoco River
VenezuelaUpper Orinoco’s clear channels and sand‑gravel beds support healthy Characidium phoxocephalum numbers, a favorite for river‑based fly fishing.
Best: April to July
Rio Madre de Dios
PeruTurbid lowland tributary with abundant insect life, offering consistent catches of the species in its mid‑water niche.
Best: July to November
Manu National Park – Upper Madre Streams
PeruProtected rainforest streams inside Manu host high densities of Characidium phoxocephalum, prized by eco‑tourists and specialists.
Best: May to October
Pantanal Floodplain Channels
BrazilSeasonally flooded channels of the Pantanal provide ideal habitat during the wet season, drawing anglers from across South America.
Best: December to March
Best bait: Daphnia, mosquito larvae, tiny nymphs