Locality |
Year from - to |
Sex | Gear | Frequency type | |||
Kwando River, Namibia | 1997 - 1999 | unsexed/mixed | various gears | absolute number measured | |||
Lac Tchad, Chad | 1976 - 1976 | unsexed/mixed | other | absolute number measured | |||
N' Djamena, Lake Chad, Chad | 1976 - 1976 | unsexed/mixed | gillnets | absolute number measured |