Ashtangasamgraha 41.25

41.25

kṣatriyā mānino dhīrā raktākṣā bhṛśakopanāḥ |

pakvajāmbavakharjūradrākṣābhinnāñjanaprabhāḥ ||

Kṣatriya [snakes] are proud, resolute, red-eyed, very irritable, / having the luster of ripe jambu fruit, date, grape, or broken collyrium;