Al-Kahf (The Cave)

Surah 18 · Verse 61

So, when they reached the junction between the two (seas), they both forgot their fish, so it took its way into the sea freely.

فَلَمَّا بَلَغَا مَجْمَعَ بَيْنِهِمَا نَسِيَا حُوتَهُمَا فَاتَّخَذَ سَبِيلَهُ فِي الْبَحْرِ سَرَبًا