One Piece: All Known Sea Creatures In The Series, Ranked

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In the world of the One Pieces series, it’s clear that the vast oceans play a pivotal role. These oceans serve as the primary means of transportation among the numerous islands scattered across the map. Furthermore, the planet in the series, named Blue Star, has an overwhelming majority of its surface covered by these colossal bodies of water.

In the vastness of the oceans live numerous species and cultures that we call home. While some share similar characteristics or appearances, they actually belong to distinct species, each playing crucial roles in the grand narrative of “One Piece”. This article will delve into those categorized as ‘Sea Creatures’ and explore why they hold such significance in the story.

Krakens Are Giant And Terrifying Sea Creatures Who Have Destroyed Many Ships

Surume Is The Only Example

First Appearance One Piece, Chapter 604, “Into The Depths”
Story Arc Fishman Island
  • There is only one known Kraken.

It is a demon, running about the great deep and preying on ships!

Krakens are colossal, octopus-like beings that inhabit the deepest, darkest regions of the oceans. Legend has it they can wreck ships and have claimed many pirate lives, but in this series, only one kraken is known – Surume. She allied with Hody Jones when he endangered his family, initially posing a significant hurdle to reaching Fishman Island. However, Surume later became friends with Luffy and chose to live among the Fishmen, despite initially presenting a challenge.

Sea Beasts Are Gigantic, Mammalian Sea Creatures Who Dwarf Entire Ships

Towering Behemoths

First Appearance One Piece, Chapter 73, “The Monster From The Grand Line”
Story Arc Arlong Park
  • Mammalian sea creatures.

Sea monsters, often colossal and resembling land animals in some ways, are among the most fearsome denizens of the ocean depths. Distinctive features include their immense size, fish-like scales, tails, and an ability to survive underwater. They are usually aggressive and assault any creature that’s noticeably smaller than themselves, though they can be controlled with ease if larger. In the hands of Dr. Vegapunk, these creatures were transformed into the fearsome Sea Beast Weapons.

The Island Whales Are Some Of The Biggest Creatures In The Whole World

Friendly Aquatic Mammals

First Appearance One Piece, Chapter 102, “Now, The Grand Line”
Story Arc Reverse Mountain
  • Laboon is the most famous of these whales.

The whales are delighted in anticipation of the day the two sovereigns shall meet again!

Giant whales inhabiting different global oceans are colloquially known as Island Whales. Despite their imposing size resembling larger versions of typical whales, these creatures exhibit intelligence beyond comparison. They display affection for music, form friendships, and some even show signs of wanting to sabotage the Red Line – a peculiar behavior that has left many of them with scarred faces. The root cause of this destructive inclination remains unexplored, but enthusiasts suggest it may link back to the Void Century era.

Sea Kings Are The Largest Creatures In The Ocean, And Are Seen As Its Rulers

The Greatest Sea Creatures Of Them All

First Appearance One Piece, Chapter 92, “Happiness”
Story Arc Arlong Park
  • The greatest force on the Grand Line.

The birthing is at hand! Our sovereign shall be born soon!

In the vast oceans of the fictional world of One Piece, Sea Kings stand out as the biggest and most formidable sea creatures. Although they might be mistaken for Sea Beasts, these colossal, reptile-like entities are a different species and usually feast on Sea Beasts due to their superior status as apex predators in marine ecosystems. Despite their intimidating appearance, Sea Kings possess intelligence that allows them to communicate with each other fluently. Interestingly, they respect and follow the rules of whoever currently holds the title of Poseidon. It is suggested that Sea Kings were involved in Joyboy’s ancient plan involving Arc Noah, which may have aimed to return the Fishmen back to the surface when Poseidon gave the command.

Fishmen Have Been Some Of The World’s Most Important People Since The Void Century

Vital Allies To Luffy

First Appearance One Piece, Chapter 69, “Arlong Park”
Story Arc Arlong Park
  • Fishmen are one of the most important races in the world.

In the world of One Piece, Fishmen stand out as significant and influential races, also boasting a remarkable diversity. Essentially, they are hybrid creatures between humans and various types of fish, exhibiting a wide range of appearances. Some resemble a combination of human and fish characteristics, while others, known as merfolk, possess a human upper body and a fish-like lower body or tail.

Someday, all races will join forces in unity, and the disparagement between humans and fish-people will vanish. Equality will reign supreme in every aspect.

In the grand saga of “One Piece”, Fishmen play a pivotal role throughout history. It’s suggested that long ago, they inhabited the surface world but were forced to descend into the ocean depths where they have resided ever since, ruling over the oceans. The ancient weapon known as Poseidon is said to manifest among the royal line of their kingdom, represented by the Princess who is born with the power to command Sea Kings and use them at her will. This is why the Fishmen and the Princess are crucial allies for Luffy during the Final War.

One Piece can be streamed on Crunchyroll.

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2025-08-22 20:35