| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 7 years, 7 months. |
| 1 | arapaima since 2007-03-01 to 2009-03-01, that's 2 years, 0 months |
| 2 | Moontanman since 2007-04-24 to 2014-11-30, that's 7 years, 7 months; who writes, "This catfish is one of my favorites, they are as smart as any cichlid and will recognize their keeper. They are not really suitable as anything but a specimen "pet" and cannot be kept with any other fish. Since they are sedentary and seldo" |
| 3 | bapachu since 2009-01-26 to 2011-01-26, that's 2 years, 0 months |
| 4 | EVK5 since 2009-11-10 to 2011-11-10, that's 2 years, 0 months |
| 5 | miles3 since 2010-05-10 to 2012-05-10, that's 2 years, 0 months |
| 6 | human001 since 2010-06-22 to 2012-06-22, that's 2 years, 0 months |
| 7 | tbinchrist (p: 2) since 2011-09-27 to 2014-11-22, that's 3 years, 1 months; who writes, "A cool fish, very tame. Getting to be a real beggar for food, has eaten out of my hand. Has an enormous appetite." |
| 8 | Pcpolo111 since 2012-10-23 to 2014-10-23, that's 2 years, 0 months |
| 9 | AvengedKombat since 2012-10-25 to 2014-10-25, that's 2 years, 0 months |
| 10 | farmergijoe since 2014-04-12 to 2016-04-12, that's 2 years, 0 months |
| 11 | Chicxulub since 2014-10-01 to 2014-10-01, that's 0 years, 0 months |
| 12 | sccatfisher since 2016-08-08 to 2018-08-08, that's 2 years, 0 months |
| 13 | N.A.keeper21 since 2017-09-11 to 2019-09-11, that's 2 years, 0 months |
