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| English | Russian |
| nine-banded cardinal fish | девятиполосый апогон (Apogon novemfasciatus) |
| nine-eyes | минога (Petromyzonidae) |
| nine-spined stickleback | девятииглая колюшка (Pungitius pungitius pungitius) |
| nine-spined sticklebacks | многоиглые колюшки (Pungitius) |
| nine-spined sticklebacks | девятииглые колюшки (Pungitius) |
| nine-striped snapper | луциан-хази (Lutjanus notatus) |
| southern nine-spined stickleback | малая южная колюшка (Pungitius platygaster platygaster) |
| Southern nine-spined sticlebacks | южная девятииглая колюшка (iwona) |