Cynolebias porosus
Cynolebias porosus
© FishBase (CC BY-NC)Cynolebias porosus is a small annual killifish reaching about 15 cm (5.9 inches). It inhabits shallow freshwater pools and temporary floodplain waters, and is prized more by hobbyists and researchers than by sport anglers. It is not considered a food fish and offers little fight when hooked.
Basic Information
Family
Rivulidae
Max Size
15 cm
Habitat
freshwater
Climate
tropical
Best Season
Rainy season (spring‑summer) when temporary pools are abundant
Best Time
Early morning or late afternoon when surface activity peaks
Distribution
No distribution map available
Fishing Tips for Cynolebias porosus
- Use ultra‑light gear to feel any bite from this tiny fish
- Fish near the water surface where they feed on insect larvae
- Present live bait such as brine shrimp or mosquito larvae on a size‑0 hook
- Keep the line tension very light; a gentle tap often triggers a strike
Top Fishing Locations for Cynolebias porosus
Laguna do Patos
BrazilLarge coastal lagoon with extensive shallow seasonal pools where Cynolebias porosus thrives during the rainy season.
Best: October–March
Pantanal Temporary Pools
BrazilIsolated rain‑filled depressions in the Pantanal floodplain that host dense populations of the species in peak wet months.
Best: December–February
Montevideo Coastal Lagoons
UruguayA network of brackish lagoons near Montevideo where the killifish is abundant and easy to target from shore or small boats.
Best: November–April
Sierra de la Ventana Seasonal Streams
ArgentinaMountain streams that fill after summer rains, creating perfect habitats for Cynolebias porosus, but access requires hiking.
Best: December–March
Iguazú River Floodplain Pools
ParaguayScattered floodplain pools along the lower Iguazú River where the species concentrates during the wet season.
Best: January–April
Ciénaga de la Salina
BrazilA saline wetland in Rio Grande do Sul with numerous shallow basins that become hotspots for the fish in spring.
Best: September–December
Market Prices
Recommended Fishing Equipment for Cynolebias porosus
Recommended Equipment
Best bait: Live brine shrimp or mosquito larvae