Characidium steindachneri
Characidium steindachneri is a tiny freshwater characin, reaching only about 4.1 cm. It inhabits clear, fast‑flowing streams and is popular among micro‑anglers for its delicate nature rather than sport.
Family
Crenuchidae
Max Size
4.1 cm
Habitat
freshwater
Climate
tropical
Best Season
Year-round, with a slight increase during the rainy season (May‑October) when water levels rise
Best Time
Early morning and late evening when insects are most active
No distribution map available
Rio Uruguay - Paysandú
UruguayClear, fast-flowing stretches of the Uruguay River near Paysandú host abundant Characidium steindachneri in rocky riffles.
Best: Oct-Feb
Upper Paraná River - Corrientes
ArgentinaThe upper reaches of the Paraná near Corrientes provide shallow gravel beds where the species thrives during summer rains.
Best: Nov-Mar
Rio Grande do Sul - Rio Jacuí basin
BrazilThe Jacuí tributaries in southern Brazil offer a mix of sand and rock substrate, ideal for drift-fishing small characids.
Best: Sep-Jan
Pantanal – Rio Cuiabá
BrazilSeasonal floodplain of the Cuiabá River in the Pantanal holds dense leaf litter where the fish hide, best during low water.
Best: May-Aug
Lagoa dos Patos - Southern inlet
BrazilBrackish inlet of the massive Lagoa dos Patos where fresh water streams meet the lagoon, supporting moderate populations.
Best: Dec-Feb
Rio de la Plata Estuary – Near Buenos Aires
ArgentinaThe estuarine zone just downstream of the Rio de la Plata offers diverse microhabitats; Characidium steindachneri can be caught in the tidal flats.
Best: Oct-Apr
Best bait: Mosquito larvae, daphnia, or tiny pieces of worm