Locality |
Year from - to |
Sex | Gear | Frequency type | |||
Middle Paraná River, Argentina | 1976 - 2003 | unsexed/mixed | other | absolute number measured | |||
Yacyretá dam, Argentina | 1995 - 1997 | unsexed/mixed | other | absolute number measured | |||
Yacyretá passage, Argentina | 1995 - 1997 | unsexed/mixed | other | absolute number measured |