18 : 61
فَلَمَّا بَلَغَا مَجۡمَعَ بَيۡنِهِمَا نَسِيَا حُوتَهُمَا فَٱتَّخَذَ سَبِيلَهُۥ فِي ٱلۡبَحۡرِ سَرَبٗا
But when they reached the junction of the two seas, they forgot their fish, which made its way into the sea, slipping away.
Ayah 61 of الكَهف (18 : 61). This page carries the verse in the Uthmani script with a translation of its meaning, at a stable URL that can be cited on its own.
فَلَمَّا بَلَغَا مَجۡمَعَ بَيۡنِهِمَا نَسِيَا حُوتَهُمَا فَٱتَّخَذَ سَبِيلَهُۥ فِي ٱلۡبَحۡرِ سَرَبٗا
But when they reached the junction of the two seas, they forgot their fish, which made its way into the sea, slipping away.