| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 4 years, 7 months. |
| 1 | Silurus since 2007-03-11 to 2009-03-11, that's 2 years, 0 months |
| 2 | jprp (p: 3) since 2011-01-05 to 2015-08-02, that's 4 years, 6 months |
| 3 | arapaimag (k: 2) since 2011-10-20 to 2013-10-20, that's 2 years, 0 months; who writes, "The female is about 1540mm the male is 1220mm. The female has killed many other fish including a 33"Arapiama a. which she ate." |
| 4 | TheBobbyVee since 2014-02-01 to 2018-09-04, that's 4 years, 7 months |
| 5 | qui2424 since 2021-05-30 to 2023-05-30, that's 2 years, 0 months |
| 6 | Fishmandavew since 2022-06-28 to 2024-06-28, that's 2 years, 0 months |
