Identification keys available for Family Eleotridae
| Key | Title |
| 353 | Key to the marine and estuarine genera of sleepers (gudgeons) (Eleotridae) occuring in the Western Central Pacific. |
| 1087 | Key to the species and genera of sleepers (Eleotridae) occurring in the Western Central Atlantic. |
| 1183 | Key to the species of Mogurnda from New Guinea. |
| 1279 | Key to freshwater genera of Eleotridae from New Guinea. |
| 1280 | Key to the freshwater species of Bostrichthys. |
| 1281 | Key to New Guinea Butis. |
| 1282 | Key to freshwater species of Eleotris from New Guinea. |
| 1283 | Key to New Guinea Hypseleotris. |
| 1284 | Key to the species of Mogurnda from New Guinea. |
| 1285 | Key to New Guinea Oxyeleotris. |
| 1504 | Key to genera and species of Eleotridae of West Africa. |
| 1505 | Key to species of Kribia of West Africa. |
| 1579 | Key to the species of Eleotris of West Africa. |
| 1694 | Key to the genera and species of Eleotridae of Lower Guinea, West-Central Africa. |
| 1695 | Key to the Eleotris species of Lower Guinea, West-Central Africa. |
| 1696 | Key to the Kribia species of Lower Guinea, West-Central Africa. |