Mahabharata 12.172.14

जलजानामपि ह्यन्तं पर्यायेणोपलक्षयेमहतामपि कायानां सूक्ष्माणां च महोदधौ

jalajānāmapi hyantaṃ paryāyeṇopalakṣayemahatāmapi kāyānāṃ sūkṣmāṇāṃ ca mahodadhau

Our plain-language meaning of this verse is waiting for scholar review.