Fish-Men

Fishmen are one of two humanoid species that inhabit and rule the seas (the other being the merfolk). In terms of leadership, King Neptune is the king of Fishman Island. Fisher Tiger, Jinbe, and Arlong were said to have the highest respect amongst their people. They are classified as Type C creatures, "Big Savage".

Appearance
Fishmen are more fish-like than merfolk, usually looking like a combination between a man and a fish or other aquatic creature, such as an octopus, manta ray, or sawshark; however, they still have legs (in fact, Decken has four). They also have gills between their shoulders and necks, sometimes covered by their clothing, as well as often having webbed hands. Depending on species, they may have multiple limbs (mainly extra arms).

Size may also differ greatly between individuals, as Arlong was much taller than any of his crew members, but was small compared to Fisher Tiger, while Wadatsumi is the size of a giant.

For fishmen pirates in pirate crews that are primarily fishman based, (Sun Pirates, Arlong Pirates, and New Fishman Pirates) it appears customary to have that crew's jolly roger tattooed somewhere on the person's body, showing allegiance to a crew.

Biology
Fishmen have gills near their necks, which only work when they are in water. On land, they can breathe with their lungs like humans do. However, their gills cannot breathe in air, like a normal fish cannot breathe in air through their gills.



Even though fishmen are part fish (or at least closer to fish biologically than human) and have been considered such by prejudice humans in the past, they are still mammals and give birth to live young. Fishmen are also able to modulate the sounds that they make enabling them to speak in the same language as humans, yet at least one Fishmen, Jinbe, has the ability to talk to other animals such as whales showing that a Fishman's larynx appears to be far more adaptable and capable of more than a human's. There are many merfolk who bear physical traits normally unique to fishmen, like Den's webbed hands and Shyarly's fangs. Furthermore, fishmen can sometimes demonstrate powers usually unique to merfolk, such as Jinbe's ability to communicate with whale sharks.

Even with merfolk and fishmen in the same immediate family, the primary species (merfolk or fishman), subspecies (type of fish) and appearances may differ. The reason is that they still carry the genes of their ancestors, so the species is not determined only by the parents, but it can be any one type among all the species of the ancestors.Humans, fishmen, and merfolk have the same blood types, and can share if the types match.

The fishmen's subspecies have many variations, just like merfolk, being many types of fishes. So far, with the exception of the half-fishman Dellinger (whose fish traits are that of the Fighting Fish), all known fishmen fish-halfs are based on real-life fish species and not on any of Oda's made up species. Also, their size may vary greatly, with Wadatsumi being a fishman the size surpassing that of an average giant. Unlike merfolk, fishmen eat meat, including fish, although whether this is a dietary advantage or just custom is unknown.

Crossbreeds
Fishmen can interbreed with other races. As revealed during the Long Ring Long Land Arc with Big Pan, fishmen can breed with giants, producing a hybrid that has the biological abilities of a fishman and the huge body of a giant (but still smaller than a full one, as noted by Robin). These are known as Wotans.

It is also possible for humans and fishmen to interbreed, as Sapi and Dellinger are the result of such. Interestingly, when a human and a fishman interbreed, their offspring mostly resemble humans, apart from a dorsal fin (and possibly other fish-like traits that are not yet shown under clothing) that is in some cases retractable.

Pappug explained that fishmen (fishmen and fishwomen) can have children with merfolk (mermen and mermaids). However, the child's race can be either fishmen or merfolk.

Known Fishmen and Their Species

 * Arlong: Sawshark
 * Chew: Smelt-whiting
 * Hatchan, Octopako, Karma: Octopus
 * Kuroobi: Ray
 * Kaneshiro: Goldfish
 * Pisaro: Ocean Sunfish
 * Take: Carp
 * Shioyaki: Salmon
 * Macro: Pelican Eel
 * Gyaro: Pop-eyed Goldfish
 * Tansui: Arowana
 * Capote: Billfish
 * Tom: Cowfish
 * Jinbe: Whale shark
 * Hammond: Daggertooth Pike Conger
 * Kasagoba: Marbled Rockfish
 * Hody Jones: Great White Shark
 * Dosun: Hammerhead Shark
 * Zeo: Japanese Wobbegong Shark
 * Daruma: Cookie-cutter Shark
 * Ikaros Much: Giant squid
 * Vander Decken IX: Japanese Bullhead Shark
 * Wadatsumi: Giant Tiger Blowfish
 * Fisher Tiger: Sea Bream
 * Hack: Brocade Perch
 * Willy (Film): Orca
 * Jube (Filler): Squid
 * Nuru (Filler): Anglerfish
 * Gad (Game): Hammerhead Shark

Half-Fishman and Their Species

 * Sapi (Half-fishman, half-human): Unknown
 * Big Pan (Half-fishman, half-giant): Loach
 * Dellinger (Half-fishman, half-human): Fighting Fish
 * Sebastian (Half-fishman, half-giant; filler): False Kelpfish

Inter-species Relationships
Despite their beliefs, they usually get along well with the merfolk who share the opposite view on life, however it is not unknown for fishmen to take advantage of the merfolk's nature.

Stereotypical fishmen consider humans to be an inferior, weaker species. However, this does not apply to all fishmen. For example, Tom, cared for and looked after two humans (Iceburg and Franky) and even protected them from the actions of Spandam and CP5. Another example is Jinbe, who considers Portgas D. Ace an equal and holds the Whitebeard Pirates in high regard because of Whitebeard protecting Fishman Island. Jinbe would later feel the same way about Ace's younger brother, Monkey D. Luffy. Fisher Tiger was noted to hate humans but not to discriminate when it came to slaves. When he broke into Mariejois to free the fishman slaves, he also freed the other races as well. Additionally Fisher Tiger did not wish to kill any humans for their discrimination because it would only cause more anger and resentment, and even personally returned a human slave girl back to her home.

Furthermore, when the Straw Hats were suspected of having kidnapped several mermaids from Mermaid Cove (actually Caribou's doing), it had been seen that at least some fishman citizens insisted that the pirates should not be convicted without solid proof implying that at least some fishmen are willing to grant humanity the benefit of a doubt.

On the opposite end of the spectrum, human relationships towards fishmen was defined with their definition of both them and merfolk as "fish" instead of "men". This lead to centuries of discrimination as the fishmen fought to prove their worth to the world. Only two hundred years ago did the World Government begin to bridge the gap by making an alliance with Fishman Island to remove the problems between the two sides. Jinbe's appointment to the Shichibukai was an attempt to strengthen the bonds between the races but due to his resignation it ended in failure. While attempting to fix the problem, centuries of bad relations remained. Many humans continued to see fishmen as freaks or in the case around Sabaody Archipelago, slaves for the World Nobles. Such bad relations between the races would influence certain sects of fishmen, these fishmen would even go so far as to return to the humans what had been done to them. This was seen once in the series with Arlong Park in East Blue where Arlong attempted to enslave the humans as they had enslaved his men and he succeeded in doing so for eight years. Humans have also made a law that forbids humans from donating blood to fishmen and vice versa. Most people believed this is what caused Fisher Tiger's death. The truth is he refused a blood transfusion using human blood because he did not want their hatred for his race flowing through his veins so he refused to owe them his life. However not all humans are prejudiced against fishman. For instance, Boa Hancock, who generally hates males, showed respect and gratitude towards Fisher Tiger for the debt she owed him for freeing her along with her sisters. She also seems to respect Jinbe, to a certain degree, allowing him to set foot on Amazon Lily. Another example is Koala who formed a special bond with the Sun Pirates and even promised them she'd tell the people of her village that fishman are nice people.

Because of their huge biological differences, they have failed to completely understand the human view of family and the habit of categorizing individuals. Humans have also failed to understand the fishmen and merfolk differences.

After the assassination of Queen Otohime, Prince Fukaboshi told his people the time to repair the damage was too soon for the people to cope with. However, he noted that time will heal the pain they have experienced and that one day they will be able to do what she set about to do and destroy the circle of hate between them and the humans. He told all the people of Fishman Island to dream of the sun.

However, it was later revealed in the conflict with Hody Jones and the New Fishman Pirates, that despite all their efforts, the Fishman District had been a breeding ground for hatred for Humans. Even with the Straw Hat Pirates fighting for Fishman Island, an adult can be seen attempting to tell the children about the human oppression that has been occuring throughout history. Shyarly interrupted him and told the children to draw their own conclusions based on the events they were witnessing.

Clearly relations between fishmen and humans are flexible at times, as Sapi and Dellinger are half of each race.

Fishmen are one of the races present in Totto Land, where they live in harmony with other races.

Fishmen are worth an average of 1,000,000 in the slave market.

Overall Strength
Do you know the difference between you and I? It's our species! This is the strength of the fishmen species from birth. Heaven gave us the power to separate us from you. So we are different! Humans are lower and weaker since the day they were born.



They are physically ten times as strong as normal humans from birth and this difference is magnified underwater, where a human's power is cut in half, while fishmen not only are completely unhindered, but are even strengthened. Jinbe himself noted that on dry land he had little power to offer, which considering the strength that even a fishman as powerful as he has speaks volumes about the potential of any fishman in the water compared to being on dry land. As a whole, in the midst of battle, the fishman race can be considered unstoppable in their natural habitat - the sea. As well as being powerful they can still talk under water and cannot drown. However, breathing air into their gills makes them suffer like a normal fish would. While they can use their gills to breathe in water, they have to switch back to their lungs to breathe in air. However, a fishman who has eaten a Devil Fruit loses its ability to swim.

Like Mermaids, Fishmen also possess the ability to communicate with sea creatures. In particular, Fishmen seem adept at communicating with large sea monsters, and possess a unique capacity to bring out the primal rage in such creatures. This ability was first demonstrated when Arlong induced Mohmoo into a primal frenzy to have him attack the Straw Hats during the battle at Arlong Park, even despite Mohmoo's initial reservations about doing so. The ability was shown again in more detail when Hody and to a more limited extent, the officers of his crew as well, used it to induce the large Sea Monsters the New Fishman Pirates had in their possession into a similar red-eyed rage to the one created by the Energy Steroids they had been eating. Of course, the animal being induced has to be at least somewhat willing to comply, as was shown when Surume quickly stopped squeezing Shirahoshi due to Luffy's intervention, and afterwards refused to follow any more of Hody's orders. Lastly, it should be noted that just as with Mermaids, Fishmen are still for some reason unable to communicate with Sea Kings; the Mermaid Princess, currently Shirahoshi, is supposedly the only one capable of doing that.

The Fishman Dojo of Fishman Island is also where they learn Fishman Karate, a number of fishmen have displayed skill in this fighting style already within the storyline. This fighting style in particular has both land and sea based attacks, a style suited to the fishmen's advantage in the water, but does not leave them completely unable to defend themselves on land when they have to. Their most effective weapon is the sea itself as the most powerful fighters can take a few drops of water and hurl it so hard the impact is as hard as a bullet. To this extent, at the hands of a powerful fishman, even a small splash of water becomes a lethal weapon. As expected they are excellent swimmers, they are capable of swimming through the water at a great speed and force, their speed however is no match for the mermen who are the fastest.

Fishmen often have unique abilities, matchings those of the species they are based on, that make them further superior to ordinary humans outside of the physical strength difference. Hatchan's six arms give him a huge advantage over most fighters with just two arms and he can spit ink. Chew as an archer-fish could shoot water from his mouth like a bullet. Arlong as a sawshark fishman could regrow his teeth after they broke. Zeo is a Japanese wobbegong who can camouflage himself, almost like a certain Devil Fruit ability. Though only a half breed, Big Pan inherited slippery skin from his mudfish fishman heritage, which is also like a certain Devil Fruit. Both Zeo and Big Pan have demonstrated that a fishman's ability can be akin to that of an actual Devil Fruit's. Members of the shark family have been seen as particularly fearsome fighters and Arlong, Jinbe, and Hody Jones, three of the strongest known fishmen are all shark-based breeds. The New Fishmen Pirates have a notably large number of officers that are shark breeds and the only fishman amongst the Whitebeard Pirates, Namur, is also a shark fishman. The shark based breeds were confirmed to be considered a fear to the other citizens on the island when Daruma attacked the candy factory, the citizens also expressed concern over the squid fishman in the crew, Ikaros Much, indicating that this type of fishman was also a cause for concern.

Their reaction to consuming a Devil Fruit is the same as it is for humans, rendering them unable to swim, and must wear a bubble to compensate. However, their water-based abilities prove most helpful considering that in water, Devil Fruit users are rendered completely powerless. The Devil Fruit Kage Kage no Mi in particular has little advantage at all against a fishman who knows its fatal weakness, salt. Arlong commented on Nami's navigation skills, stating that they can learn about navigation very easily, but they cannot find a good navigator. This remains unexplained as to why they are particularly weak in this area but does indicate their race has an overall weakness in skillful navigation. Arlong himself in particular came to admire Nami's own skills, and in a rare act considered her skills on par with the fishman "superiority", confessing that she simply could not help what species she was.

Because of their strength, they appear in the series on a regular basis. However, Jinbe was noted to have acknowledged the strength of Sea Kings on one occasion, thus proving even their race is aware of the danger of Sea Kings in the Grand Line.

Beliefs
Their view of life under the sea is dominated by their views that they should rule over all other fish in the sea. They also hate humans for the years of oppression and slavery that they suffered. This is not shared among all fishmen, though, as Tom, Jinbe, and Fisher Tiger have respect for humans and other races. It can also be assumed that Namur, as a commander of the mostly human Whitebeard Pirates, does not share this prejudice against non-fishmen. However, the New Fishman Pirates, specifically the officers and captain, took this hatred to irrational levels, due to being raised in an environment that basked in the hatred, despite not being subjected to any oppression themselves, and they were fully willing to die and destroy their own bodies to achieve their "revenge", in fear of the day that humans and fish folks would coexist and cease their animosity. Due to the long-term neglect in the Fishman District, this hatred has been passed down to future generations since the past, resulting in the New Fishman Pirates being the most prominent example of meaningless hatred.

Many of the fishmen, particularly of note the pirates, also adorn symbols across their bodies to represent their group association. So far the marks they have adorned include the Sun Pirates' "mark of the sun", the Arlong Pirates' jolly roger, a tattoo of unknown significance, and the New Fishman Pirates' jolly roger of a beheaded human crossed out with the "mark of the sun" surrounding it. Kaneshiro, Pisaro, Take, Shioyaki, Namur, and Tom also had other tattoos on their bodies.

Translation and Dub Issues
The kanji for fishmen (魚人) is the reverse of the name for mermen (人魚). As a result, the English dub that was made by 4Kids inaccurately refers to the species as mermen. As a result, mermaids were thought by some to be the female of the species while fishmen were the male, although this is not the case.

Anime and Manga Influences
Fishmen were developed from the concept of the reverse mermaid, who had a fish upper half and human lower legs. Oda confirmed details about their race in a SBS corner and how instead of the fish half being centered around the tail end, it was focused instead on the upper half of the body.

The Fishman and Merman conflict with humans bears a striking resemblance to the events of the Manga/Anime series Blue Submarine No. 6. In the series, a scientist named Zorndyke had witnesed his own family killed via racial purging prior to the storyline. He created a new race that were hybrids of human and the DNA of various Marine lifeforms. Zorndyke started a war between his "children" and mankind as a form of punish to mankind for its immoralities. Zorndyke's "son" and general, Verg, had qualities shared by both Arlong and Hody Jones. Verg preached and believed in superiority over humans and led a crew that wiped out many great cities, killing millions in the process while under the belief his "father" was creating a world for them. The reality was the new species was meant to rival, not wipe out mankind and the war was nothing but a test. When the conflict ended, Verg was given the chance to meet humans face to face, however, Verg decided humanity had nothing to offer him and refuse to speak to them rather then take the chance to settle their differences.

Trivia

 * Early on, Luffy drew what he thought a mermaid looked like. The first drawing was just a fish with four legs. The second was a fish standing up on two legs, looking more like a fishman than a mermaid. When Sanji wondered if Nami was really a mermaid, Luffy added hair to his second sketch and wrote Nami's name. Ironically, someone who looked like his drawing of "mermaid" Nami actually appeared in Chapter 626. However, it is unknown if she was a fishwoman or mermaid since only the head and arms were seen.
 * Originally Oda planned on introducing fishmen as far back as Chapter 3. However, due to his editor he held it back, ending up introducing the concept during the Arlong Park Arc instead.
 * So far, Vander Decken IX is the first and only fishman known to possess a Devil Fruit ability. He is also the only fishman who cannot swim (due to the Devil Fruit).
 * There was originally going to be a starfish fishman named Hitodenashi (ヒトデナシ), a member of the Arlong Pirates and Hatchan was originally going to be a squid fishwoman named Maple Reed (メープル・リード).

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