Identification keys available for Family Syngnathidae
| Key | Title |
| 56 | Key to the pipefishes (Syngnathidae) of Europe. |
| 201 | Key to the genera and subgenera of Syngnathidae occurring in the Western Central Pacific. |
| 990 | Key to the species of pipefishes and seahorses (Syngnathidae) occurring in the Western Central Atlantic. |
| 1258 | Key to freshwater pipefish genera of New Guinea. |
| 1259 | Key to the freshwater species of Hippichthys from New Guinea. |
| 1260 | Key to the freshwater species of Microphis from New Guinea. |
| 1442 | Key to genera of Syngnathidae of West Africa. |
| 1443 | Key to the species of Enneacampus of West Africa. |
| 1703 | Key to the genera and species of Syngnathidae from Lower Guinea, West-Central Africa. |
| 1704 | Key to the Enneacampus species of Lower Guinea, West-Central Africa. |