SB 8.24.12
ekada krtamalayam
kurvato jala-tarpanam
tasyañjaly-udake kacic
chaphary ekabhyapadyata
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
One day while King Satyavrata was performing austerities by offering water on the bank of the river Krtamala, a small fish appeared in the water in his palms.