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Kasagoba[1] is a marbled rockfish fish-man and was a member of the now disbanded New Fish-Man Pirates prior to their downfall.[2] In the anime, he is named Kasagon (カサゴン Kasagon?).[2]


He is a stocky, beige fish-man with brown spots on his thick neck. He has pink trailings with yellow on the tips on his head and neck. He also appears to wear a white tank top and vertically striped pants. He also has a very large grin.


As a member of the New Fish-Man Pirates, Kasagoba most likely has a strong hatred for humans.

Abilities and PowersEdit

As a fish-man, he was born with natural strength ten times that of a normal human, which is doubled underwater. However he is easily knocked out by Luffy's single punch.


He wields a pike, although he was not shown using it in combat.


Fish-Man Island SagaEdit

Fish-Man Island ArcEdit

Kasagoba first appeared alongside Hammond and Hyouzou, riding on sea beasts right outside of Fish-Man Island. They intercepted the Straw Hat Pirates and gave the crew two choices; join the New Fish-Man Pirates or be crushed before being able to enter the island. After Luffy rejected the invitation, the Straw Hats used the their ship's Coup de Burst to launch themselves into the island. Kasagoba was surprised by the ship's unexpected maneuver. After wondering what to do next, they returned to the Fish-Man District to report to their captain.

Kasagon Defeated By Luffy

Kasagoba is defeated by Luffy

Kasagoba, alongside Hammond and Hyouzou, later went to Mermaid Cove in another attempt to capture Luffy, but they were easily repelled. The attack knocked out Hammond and Kasagoba, but Hyouzou was able to block it and remained uninjured. After the Straw Hats left the cove, Hyouzou carried his two unconscious companions away.

Major BattlesEdit


  • His name comes from kasago (カサゴ?), the Japanese name for Scorpaeniformes.


  1. One Piece Blue Deep: Characters World (p. 216), His name is revealed.
  2. 2.0 2.1 One Piece AnimeEpisode 527, His name and position are revealed.

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New Fish-Man Pirates
Members: Hody Jones  •  Dosun  •  Zeo  •  Daruma  •  Ikaros Much  •  Hyouzou  •  Hammond  •  Kasagoba  •  Harisenbon  •  Nuru
Servants: Surume   •  Sea Beasts (Sea Lion  •  Sea Bear  •  Sea Giraffe  •  Sea Elephant  •  Sea Rhinoceros  •  Sea Gorilla  •  Sea Squirrel  •  Sea Leopard)  •  Gyro Pirates (Gyro
Allies: Flying Pirates 
Fighting Style Based: Hattoryu  •  Fish-Man Karate  •  Fish-Man Jujutsu
Weapon Based: Kirisame
Others: Energy Steroid
Related Articles
Story Arcs: Fish-Man Island Arc
Locations: Fish-Man Island  •  Fish-Man District  •  Noah
Related Articles: Fish-Men  •  Sun Pirates (Fisher Tiger)  •  Arlong Pirates (Arlong)
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Fish-Man Island
Neptune Family: Poseidon   •  Neptune  •  Otohime   •  Fukaboshi  •  Ryuboshi  •  Manboshi  •  Shirahoshi  •  Hoe  •  Megalo
Fish-Men: Arlong  •  Hatchan  •  Chew  •  Kuroobi  •  Pisaro  •  Kaneshiro  •  Take  •  Shioyaki  •  Octopako  •  Jinbe  •  Hammond  •  Kasagoba  •  Hody Jones  •  Fisher Tiger   •  Ammo Knights  •  Dosun  •  Zeo  •  Daruma  •  Ikaros Much  •  Harisenbon  •  Junan  •  Papaneel  •  Togare  •  Tom    •  Hack  •  Gotan   •  Nuru   •  Meverly   •  Garcia 
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Animals: Pappag  •  Surume  •  Daidalos 
Fighting Style Based: Haki  •  Fish-Man Karate (Fish-Man Jujutsu)  •  Merman Combat  •  Merman Gujutsu
Weapon Based: Rokutoryu  •  Kiribachi  •  Hattoryu  •  Kirisame 
Others: Energy Steroid  •  Bubbly Coral  •  Voice of All Things
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Story Arc(s): Fish-Man Island Arc  •  Whole Cake Island Arc  •  Levely Arc
Cover Stories: From the Decks of the World: The 500,000,000 Man Arc
Locations: Ryugu Kingdom  •  Ryugu Palace (Hard-Shell Tower  •  Prison Tower)  •  Mermaid Cove (Coral Mansion)  •  Coral Hill (Mermaid Café)  •  Gyoverly Hills (Pappag's Mansion)  •  Sea Forest (Ship Graveyard)  •  Fish-Man District  •  Fish-Man Karate Dojo  •  Candy Factory Town (Candy Factory)  •  Fish-Man's Meeting Hall  •  Marine Shopping Mall  •  Waterwheel Town  •  Mermaid Beach  •  Air Tank  •  Gyoncorde Plaza  •  John's Candies Shop
Ship(s): Noah  •  Ryugu
Organizations: Shichibukai  •  Sun Pirates  •  Arlong Pirates  •  Macro Pirates  •  New Fish-Man Pirates  •  Flying Pirates  •  Big Mom Pirates  •  Whitebeard Pirates
Others: Slavery  •  Edward Newgate  •  Charlotte Linlin  •  Tamatebako *  •  Levely