| Fish-Man Island Arc | |
|---|---|
| Title | Fish-Man Island Arc |
| Series | One Piece |
| Caption | Cover art featuring characters from Fish-Man Island |
| Season | Manga arc / Anime arc |
| Episodes | 39 (anime) |
| Chapters | 61–66 (manga) |
| Start | Chapter 598 / Episode 523 |
| End | Chapter 653 / Episode 574 |
| Creator | Eiichiro Oda |
Fish-Man Island Arc
The Fish-Man Island Arc is a story arc in the One Piece franchise by Eiichiro Oda, covering the Straw Hat Pirates' voyage to the underwater realm of Fish-Man Island. It connects the events of the Post-War Arc and the beginning of the Dressrosa Arc by resolving long-standing plotlines involving Jinbe, Fisher Tiger, and the legacy of discrimination between humans and fish-men.
Fish-Man Island is located 10,000 meters beneath the surface in the Grand Line and serves as the ancestral home of the Fish-Men and merfolk. The arc adapts material from chapters 598–653 of the manga and episodes 523–574 of the anime. It follows the Straw Hat crew—led by Monkey D. Luffy—as they respond to threats from the New Fish-Man Pirates led by Hody Jones and tangled political conflicts involving the royal family of Fish-Man Island, chiefly King Neptune and his daughters, including Hody Jones's antagonists. The arc also advances overarching series elements such as the search for Road Poneglyphs and the legacy of Joy Boy.
After the two-year time skip, the Straw Hat Pirates reunite at Sabaody Archipelago and set course for Fish-Man Island via the submarine Thousand Sunny with Franky at the helm and Nico Robin and Tony Tony Chopper among the crew. Upon arrival they learn of a coup fomented by Hody Jones, a disciple of the late Kumadori? — actually a follower of anti-human ideology inspired by the historical tyranny of Arlong and the resistance figure Fisher Tiger. Hody's group uses Energy Steroids to enhance strength and plans to seize control and invade the surface. Political tensions involve the island's royal family, including King Neptune and princes like Fukaboshi, as well as Bellemere-related backstories and the memory of Jango.
Luffy and his allies confront Hody's forces; major set pieces include battles in the royal palace, a confrontation at the Sea Forest, and efforts to stop Hody from destroying the island and initiating a war with humans. The arc culminates in Luffy defeating Hody with the help of allies, while revelations about prejudice, the history of fish-men, and Fisher Tiger's legacy reshape attitudes. The Straw Hats depart after receiving guidance pointing them toward the New World and future encounters with the Big Mom Pirates and others.
The arc introduces and develops several important characters and relationships: - Hody Jones: leader of the New Fish-Man Pirates, embodying extremist anti-human sentiment; his use of energy-enhancing drugs echoes transgressive bio-enhancement themes. - Queen Otohime (referred to in backstory) and Fisher Tiger: historical figures whose ideals and actions motivate contemporary politics on the island. - Jinbe: a prominent Warlord of the Sea-level fish-man who is further tied to the Straw Hats; his past with Luffy and his eventual path toward joining the crew are emphasized. - Royal family: King Neptune, princes Fukaboshi, Ryuboshi, and Manboshi and other merfolk who play roles in diplomacy and conflict. - New Fish-Man Pirates members: Sharkon, Chaka, and other antagonists who expand the island's villain roster. Character arcs emphasize reconciliation, the complexities of leadership, and the effects of historical trauma. The arc also develops Straw Hat members' bonds, notably highlighting Sanji's chivalry and Nami's navigational importance linked to the island's location.
Key themes include racism and reconciliation, as the arc foregrounds systemic discrimination against fish-men and merfolk and explores paths toward coexistence between species. The narrative interrogates revenge versus reconciliation through characters like Hody and figures like Fisher Tiger and Queen Otohime. The arc also addresses legacy and memory, connecting to franchise-wide motifs such as inherited will, exemplified by Will of D. and the transmission of ideals across generations.
Strategically, Fish-Man Island advances the plot by providing crucial directional information toward the New World and establishing stakes for later arcs involving Kaido and Big Mom as part of the Yonko-era escalation. It deepens the worldbuilding of the Grand Line's underwater cultures and adds to the political tapestry involving the World Government, Revolutionary Army, and pirate factions.
Fish-Man Island Arc was written and illustrated by Eiichiro Oda as part of the serialized manga in Weekly Shōnen Jump. The chapters were collected in tankōbon volumes covering the end of the Fish-Man Island storyline before the transition to Dressrosa. The Toei Animation adaptation expanded pacing for television, producing 39 episodes with original animation work and occasional anime-original scenes to bridge arcs. Storyboarding and direction involved longtime One Piece staff, while voice performances featured recurring cast members such as Mayumi Tanaka (Luffy) and guest actors for island characters. Merchandise and tie-ins included character figures, artbooks, and themed promotions in Japan.
Reception was mixed to positive: critics praised the arc's emotional depth, worldbuilding, and thematic ambition addressing prejudice, while some reviewers criticized pacing in the anime and the portrayal of violence or drug-enhancement elements. The arc influenced later narratives by solidifying Jinbe's role, reinforcing Straw Hats' reputation, and contributing to fan discourse on representation and reconciliation in shōnen works. Fish-Man Island has been referenced in subsequent media, including video games like One Piece: Pirate Warriors and official databooks, and remains a pivotal mid-series arc for understanding the political and social stakes of the New World era.
Category:One Piece arcs Category:Fictional islands