ถิ่นที่อยู่: |
ปี: from - to |
เพศ: | เครื่องมือ: | ประเภทความถี่: | |||
Paraná River (middle), Argentina | 1976 - 2003 | unsexed/mixed | other | absolute number measured | |||
Yacyretá dam (upper Paraná river), Argentina | 1995 - 1997 | unsexed/mixed | other | absolute number measured | |||
Yacyretá dam (upper Paraná river), Argentina | 1995 - 1997 | unsexed/mixed | other | absolute number measured |