| No. | All keepers listed by when they started keeping this species. The longest an individual has been kept is 2 years, 0 months. |
| 1 | Gulper since 2017-07-08 to 2019-07-15, that's 2 years, 0 months |
| 2 | Glauce since 2018-08-03 to 2020-08-06, that's 2 years, 0 months |
| 3 | Rpul since 2019-02-03 to 2021-02-03, that's 2 years, 0 months |
| 4 | Viper since 2020-06-23 to 2022-06-23, that's 2 years, 0 months |
| 5 | N_F_S since 2024-04-05 to 2024-05-06, that's 0 years, 1 months |
