| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 2 years, 3 months. |
| 1 | arapaima since 2007-03-01 to 2009-03-01, that's 2 years, 0 months |
| 2 | AndyScooby since 2008-08-27 to 2010-08-27, that's 2 years, 0 months |
| 3 | tiffanyjayne since 2010-11-27 to 2013-03-25, that's 2 years, 3 months |
| 4 | Divemaster since 2015-01-20 to 2016-02-21, that's 1 years, 1 months; who writes, "Temp: 76F, pH: 7.6" |
| 5 | dmcat since 2015-07-08 to 2015-07-18, that's 0 years, 0 months |
| 6 | qui2424 since 2021-12-04 to 2023-12-04, that's 2 years, 0 months |
