Bhagavad Gita Chapter 10.31
pavanaḥ pavatām asmi
rāmaḥ śastra-bhṛtām aham
jhaṣāṇāḿ makaraś cāsmi
srotasām asmi jāhnavī
Translation
Of purifiers I am the wind, of the wielders of weapons I am Rama, of fishes I am the shark, and of flowing rivers I am the Ganges.