| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 22 years, 11 months. |
| 1 | arapaimag (k: 5) since 1990-07-20 to 2013-07-02, that's 22 years, 11 months; who writes, "For its size one of the nastiest fish I own." |
| 2 | arapaima (p: 2) since 2007-03-01 to 2009-03-01, that's 2 years, 0 months |
| 3 | Silurus since 2007-03-11 to 2009-03-11, that's 2 years, 0 months |
| 4 | Redtailrob since 2007-06-01 to 2009-08-01, that's 2 years, 2 months |
| 5 | Moomoo since 2008-11-20 to 2010-11-20, that's 2 years, 0 months |
| 6 | Mystic Vampyre since 2009-03-10 to 2011-03-10, that's 2 years, 0 months |
| 7 | Shovelnose since 2010-11-27 to 2012-11-27, that's 2 years, 0 months |
| 8 | agusmeteor (k: 20) since 2012-05-15 to 2014-07-27, that's 2 years, 2 months |
| 9 | ruip since 2012-07-14 to 2014-07-14, that's 2 years, 0 months |
| 10 | Pcpolo111 since 2012-10-23 to 2014-10-23, that's 2 years, 0 months |
| 11 | Animusartificio (k: 4) since 2013-05-01 to 2013-12-05, that's 0 years, 7 months |
| 12 | Hrothgar Sørensen since 2017-04-19 to 2019-04-20, that's 2 years, 0 months |
| 13 | Fishmandavew (p: 2) since 2018-03-20 to 2020-03-20, that's 2 years, 0 months |
| 14 | Breezeman since 2021-03-17 to 2023-03-17, that's 2 years, 0 months |
