Śrīmad-Bhāgavatam · Text 10.45.40
Who is speaking and story frame
श्रीसमुद्र उवाच
न चाहार्षमहं देव दैत्य: पञ्चजनो महान् ।
अन्तर्जलचर: कृष्ण शङ्खरूपधरोऽसुर: ॥ ४० ॥
śrī-samudra uvāca
na cāhārṣam ahaṁ deva
daityaḥ pañcajano mahān
antar-jala-caraḥ kṛṣṇa
śaṅkha-rūpa-dharo ’suraḥ
The ocean replied: O Lord Kṛṣṇa, it was not I who abducted him, but a demonic descendant of Diti named Pañcajana, who travels in the water in the form of a conch.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.