n = 4
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Decodon grandisquamis | (Smith, 1968) | Decodon grandisquamis | Labridae | Largescale wrasse |
| Decodon melasma | Gomon, 1974 | Decodon melasma | Labridae | Blackspot wrasse |
| Decodon pacificus | (Kamohara, 1952) | Decodon pacificus | Labridae | Ten-tooth wrasse |
| Decodon puellaris | (Poey, 1860) | Decodon puellaris | Labridae | Red hogfish |