saḥ - the Lord; anudhyātaḥ - being meditated upon; tataḥ - thereafter (hearing the words of the saintly brāhmaṇas); rājñā - by the King; prādurāsīt - appeared (before him); mahā-arṇave - in the great ocean of inundation; eka-śṛṅga-dharaḥ - with one horn; matsyaḥ - a big fish; haimaḥ - made of gold; niyuta-yojanaḥ - eight million miles long.

Then, while the King constantly meditated upon the Supreme Personality of Godhead, a large golden fish appeared in the ocean of inundation. The fish had one horn and was eight million miles long.