Then the Fish grabbed him while he was blaming himself. (Again, usually a whale is mentioned here. But the whale is a mammal and not a fish, and the Qur'an which is never inaccurate, speaks of
Eventually a big fish swallowed him and he was the only one to be blamed for his destiny [as he fled his place of mission without asking God’s permission]
Faridul Haque
The fish then swallowed him and he blamed himself. (For not waiting for Allah’s command.
Hasan Al-Fatih Qaribullah
So the whale swallowed him, for he was blameworthy