is one piece episode 229 filler?

After being defeated by Aokiji, the Straw Hat Pirates have fully recovered and have managed to return sailing to the sea. But, along their way, Zoro sees a giant frog swimming crawl stroke and he informs the crew.

He asks them to turn back and see it. Luffy orders his crew to make the Going Merry follow it.

Nami with her telescope looks around and wonders why there was a lighthouse on the island. She thinks there are people there.

The frog is flying up left the ship and Luffy orders his crew to corner the frog. But, they feel the ship hit something and hear a sound around them.