| More info | Plus d'info | Mais info | FishBase |
| No. | Valid Name | Author | English Name |
| 1. | Malacocephalus boretzi | Sazonov, 1985 | |
| 2. | Malacocephalus hawaiiensis | Gilbert, 1905 | Hawaiian softhead grenadier |
| 3. | Malacocephalus laevis | (Lowe, 1843) | Softhead grenadier |
| 4. | Malacocephalus luzonensis | Gilbert & Hubbs, 1920 | |
| 5. | Malacocephalus nipponensis | Gilbert & Hubbs, 1916 | |
| 6. | Malacocephalus occidentalis | Goode & Bean, 1885 | Western softhead grenadier |
| 7. | Malacocephalus okamurai | Iwamoto & Arai, 1987 |