Valmiki Ramayana Sundara Kanda Sarga 56 Shloka 24

ततः then, वीरः hero, पवनात्मजः son of the Windgod, पर्वतम् mountain, अधिरुह्य having ascended, मीनोरगनिषेवितम् inhabited by fishes and sankes, भीमम् dreadful, सागरम् ocean, ददर्श saw.

Then the heroic son of the Windgod, who had ascended the mountain saw the dreadful ocean inhabited by fishes and snakes.