| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 17 years, 5 months. |
| 1 | arapaimag (k: 5) since 1996-01-07 to 2013-07-01, that's 17 years, 5 months |
| 2 | Silurus since 2007-03-11 to 2009-03-11, that's 2 years, 0 months |
| 3 | lordotterby since 2007-03-12 to 2009-03-12, that's 2 years, 0 months |
| 4 | The-Wolf (p: 2) since 2007-05-15 to 2009-05-15, that's 2 years, 0 months |
| 5 | malawiman1 since 2009-02-27 to 2011-02-27, that's 2 years, 0 months |
| 6 | Junttis (k: 10) since 2010-11-13 to 2012-11-29, that's 2 years, 0 months |
| 7 | jippo (k: 3) since 2010-11-13 to 2013-10-07, that's 2 years, 10 months |
| 8 | amiidae since 2014-12-12 to 2016-12-12, that's 2 years, 0 months |
| 9 | Flatdog since 2018-02-01 to 2020-02-01, that's 2 years, 0 months |
| 10 | N_F_S since 2024-04-04 to 2024-11-21, that's 0 years, 7 months |
