YOU SAID:

the fish ate a tuna salad and then got scared of itself.

INTO JAPANESE

魚はツナサラダを食べて怖がってしまいました。

BACK INTO ENGLISH

The fish ate the tuna salad and got scared.

INTO JAPANESE

魚はツナサラダを食べて怖がりました。

BACK INTO ENGLISH

The fish ate the tuna salad and got scared.