What are these sea behemoths in One Piece?


The crew escapes from these behemoths shortly before arriving on the island
chain with Bellamy.

[![enter image description
here](https://i.stack.imgur.com/YCpKH.png)](https://i.stack.imgur.com/YCpKH.png)




These are shadows, not monsters. These are explained by the fact that Sky
Island is so high up in the air, the distance that the shadow is travelling is
very far, making shadows cast very large.

Here you can see the same effect where Luffy's shadow is seen:

[![Picture from anime: Luffy's giant
shadow](https://i.stack.imgur.com/66vYE.jpg)](https://i.stack.imgur.com/66vYE.jpg)




These are shadows, not monsters. These are explained by the fact that Sky
Island is so high up in the air, the distance that the shadow is travelling is
very far, making shadows cast very large.

Here you can see the same effect where Luffy's shadow is seen:

[![Picture from anime: Luffy's giant
shadow](https://i.stack.imgur.com/66vYE.jpg)](https://i.stack.imgur.com/66vYE.jpg)

