| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 9 years, 5 months. |
| 1 | Silurus since 2007-03-27 to 2009-03-27, that's 2 years, 0 months |
| 2 | The.Dark.One since 2009-03-19 to 2011-03-19, that's 2 years, 0 months |
| 3 | Manon des sources since 2011-12-08 to 2013-12-08, that's 2 years, 0 months |
| 4 | dmcat since 2015-07-09 to 2025-01-08, that's 9 years, 5 months |
| 5 | Gulper since 2018-07-15 to 2020-07-15, that's 2 years, 0 months |
