| Sex | Wmax | Lmax (cm) | Tmax (y) | Country | Locality |
|---|---|---|---|---|---|
| unsexed | 105 | 9 | Paraná Medio | ||
| unsexed | 86 | Argentina | Puerto Sánchez, Rio Paraná, 1976-77 | ||
| unsexed | 31.4 kg | Argentina | Rio Bermejo, 1971 | ||
| unsexed | 23.7 kg | Brazil | Rio Parana, unknown | ||
| unsexed | 24.1 kg | Uruguay | Rio Uruguay, 2005 | ||
| unsexed | 9.0 kg | 91 | Brazil | Uruguay River |