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| No. | Valid Name | Author | English Name |
| 1. | Siokunichthys bentuviai | Clark, 1966 | Barred xenia-pipefish |
| 2. | Siokunichthys breviceps | Smith, 1963 | Softcoral pipefish |
| 3. | Siokunichthys herrei | Herald, 1953 | Herre’s pipefish |
| 4. | Siokunichthys nigrolineatus | Dawson, 1983 | Mushroom-coral pipefish |
| 5. | Siokunichthys southwelli | (Duncker, 1910) | Southwell's pipefish |
| 6. | Siokunichthys striatus | Fricke, 2004 | New Caledonian soft-coral pipefish |