qwilfish-hisui #10234
Type Matchups
Weak to (2x damage):
Resistant to (½x damage):
Immune to (0x damage):
qwilfish-hisui
Generation II · #10234 — Balloon Pokémon
Hisuian Qwilfish is a Dark/Poison-type regional variant of the original Water/Poison Qwilfish, first introduced in Pokémon Legends: Arceus. This adaptation showcases how Pokémon species evolved differently in the Hisui region compared to their modern counterparts. With the same base stat total of 440 as its Johto counterpart, Hisuian Qwilfish maintains identical distributions across HP, Attack, Defense, Special Attack, Special Defense, and Speed, making it strategically comparable to the original form despite its type change. The shift from Water/Poison to Dark/Poison typing represents a significant departure in the species' identity within the ancient Hisui region, suggesting environmental pressures and evolutionary adaptations unique to that historical setting. Hisuian Qwilfish is particularly notable as the only form of Qwilfish capable of evolution, being able to evolve into Overqwil when leveled up while knowing the move Barb Barrage—a signature move that demonstrates the species' mastery over its venomous quills.
Base Stats
Height
0.5m
Weight
3.9kg
Category
Balloon Pokémon
Gender
Male 50% / Female 50%
Color
gray
Shape
fish
Habitat
sea
Abilities
Has a 30% chance of poisoning attacking Pokémon on contact.
Doubles Speed during rain.
Lowers opponents' Attack one stage upon entering battle.
Qwilfish-hisui Biology & Physical Characteristics
Hisuian Qwilfish maintains the same compact, spherical body structure of its Water/Poison ancestor at just 0.5 meters in height and 3.9 kilograms in weight, making it one of the smallest Pokémon in terms of both dimensions. The species retains its characteristic paddle-shaped tail and spherical inflation mechanism, which it uses to deploy its toxic quills with remarkable force. According to Pokédex entries, Qwilfish must consume over 2.6 gallons of water at once to inflate its body sufficiently to fire its poison spikes, generating pressure that allows it to launch these barbed projectiles from all across its body simultaneously. The small spikes covering Hisuian Qwilfish's form developed from modified scales that are far more sinister than their aquatic counterparts, now infused with potent Dark-type energy alongside their poisonous properties. When confronted by larger opponents, Hisuian Qwilfish demonstrates remarkable adaptability by swallowing substantial amounts of water to match its adversary's size, a behavioral trait that underscores its determination despite its diminutive stature.
Pokedex Numbers
Training
Breeding
Qwilfish-hisui Breeding, Gender Ratio & Egg Groups
Hisuian Qwilfish exhibits a perfectly balanced gender ratio of fifty percent male and fifty percent female, allowing for equal breeding opportunities regardless of which gender is selected for reproduction. The species belongs to the Water 2 egg group, meaning it can only breed with other Pokémon in this same group, which includes many water-dwelling and marine-themed species. With a base friendship value of 70, Hisuian Qwilfish demonstrates a moderate level of affection toward trainers, suggesting that while not immediately hostile, it requires some effort to bond with and show genuine loyalty. The species requires 20 egg cycles to hatch, translating to approximately 4,884 to 5,140 steps of travel with an egg in the player's party, making it a moderately quick breeding option compared to many other Pokémon. Hisuian Qwilfish's breeding parameters remained consistent with its Johto ancestor, maintaining the same gender distribution and egg group classification despite its significant type change, suggesting that the fundamental reproductive biology of the species remained stable even as environmental pressures shaped its elemental composition. Breeders seeking to produce Hisuian Qwilfish with specific natures or individual values will find it a relatively accessible species to work with given its moderate breeding timeframe.
Sprites
TMs & HMs
tm02
lets go pikachu lets go eevee
tm03
yellow
tm03
crystal
tm03
gold silver
tm03
ruby sapphire
tm03
red blue
tm03
platinum
tm03
firered leafgreen
tm03
heartgold soulsilver
tm03
diamond pearl
tm03
emerald
tm03
xd
tm03
colosseum
tm03
blue japan
tm03
red green japan
tm05
lets go pikachu lets go eevee
tm06
yellow
tm06
gold silver
tm06
red blue
tm06
crystal
+435 more TMs/HMs
qwilfish-hisui's Evolution Chain
Qwilfish-hisui Evolution, Mega Evolution & Special Forms
Hisuian Qwilfish holds the distinction of being the only form of Qwilfish capable of evolution, transforming into the more formidable Overqwil when leveled up while knowing the move Barb Barrage. This evolution requirement represents a significant departure from typical Pokémon progression mechanics, emphasizing that Hisuian Qwilfish must master its signature attack to achieve its final form. Barb Barrage itself is a Dark-type move exclusive to this evolutionary line, dealing damage while potentially poisoning the target, encapsulating the species' mastery of both Dark-type and poison-based attacks. The evolution into Overqwil marks a dramatic transformation, producing a larger, more aggressive form that represents the ultimate expression of Hisuian Qwilfish's combat potential. This evolution method, requiring both leveling and move mastery, suggests that in ancient Hisui, Qwilfish could only reach its apex by perfecting the very techniques that define its species. The evolutionary connection between Hisuian Qwilfish and Overqwil creates a distinct evolutionary family separate from the non-evolving Johto Qwilfish, firmly establishing the Hisuian form as a unique biological branch that adapted specifically to Hisui's ancient ecosystem.
Where to Find
Location data not available for this Pokémon in the database.
Qwilfish-hisui Behaviour and Natural Habitat
Hisuian Qwilfish inhabited the aquatic environments of ancient Hisui, though its modern descendants can be found in the Terarium of Blueberry Academy in contemporary times. The species exhibits notably aggressive behavior, as evidenced by its perpetually angry, slanted eyes and its readiness to deploy its poisonous quills as a defensive mechanism. Unlike its Water/Poison ancestor, Hisuian Qwilfish appears to have developed a darker temperament befitting its Dark-type classification, suggesting it became more aggressive and territorial in the harsh conditions of Hisui. The species' possession of the Poison Point ability grants it a thirty percent chance of poisoning any Pokémon that makes physical contact with it, discouraging direct confrontation and establishing Hisuian Qwilfish as a hazardous opponent in battle. Additionally, its potential hidden ability, Intimidate, allows it to lower an opponent's Attack stat upon entry to battle, further emphasizing its role as a defensive and deterring presence. Some specimens may possess the Swift Swim ability, which doubles their Speed during rain, providing a tactical advantage in wet weather conditions—a legacy trait from its aquatic ancestry.
Pokedex Entries
Generation II
To fire its poison spikes, it must inflate its body by drinking over 2.6 gallons of water all at once.
The small spikes covering its body developed from scales. They in ject a toxin that causes fainting.
When faced with a larger opponent, it swallows as much water as it can to match the opponent's size.
Generation III
QWILFISH sucks in water, inflating itself. This POKéMON uses the pressure of the water it swallowed to shoot toxic quills all at once from all over its body. It finds swimming somewhat challenging.
A QWILFISH uses the pressure of water it swallows to shoot toxic quills all at once from all over its body. It finds swimming to be somewhat challenging.
The small spikes covering its body developed from scales. They inject a toxin that causes fainting.
To fire its poison spikes, it must inflate its body by drinking over 2.6 gallons of water all at once.
Generation IV
It shoots the poison spines on its body in all directions. Its round form makes it a poor swimmer.
To fire its poison spikes, it must inflate its body by drinking over 2.6 gallons of water all at once.
The small spikes covering its body developed from scales. They inject a toxin that causes fainting.
Generation V
It shoots the poison spines on its body in all directions. Its round form makes it a poor swimmer.
It shoots the poison spines on its body in all directions. Its round form makes it a poor swimmer.
Generation VI
To fire its poison spikes, it must inflate its body by drinking over 2.6 gallons of water all at once.
The small spikes covering its body developed from scales. They inject a toxin that causes fainting.
Qwilfish sucks in water, inflating itself. This Pokémon uses the pressure of the water it swallowed to shoot toxic quills all at once from all over its body. It finds swimming somewhat challenging.
Generation VIII
When faced with a larger opponent, it swallows as much water as it can to match the opponent’s size.
The small spikes covering its body developed from scales. They inject a toxin that causes fainting.
Fishers detest this troublesome Pokémon because it sprays poison from its spines, getting it everywhere. A different form of Qwilfish lives in other regions.
Qwilfish-hisui Name Origin & Design Inspiration
The name Qwilfish combines the word 'quill' with 'fish,' directly referencing its distinctive feature of sharp, quill-like spines that cover its body—spikes that function similarly to a porcupine's defensive array but adapted for aquatic combat. The Japanese name Harysen is derived from 'hari' meaning needle or spike in Japanese, combined with 'sen' potentially referencing its aquatic nature. Hisuian Qwilfish's aesthetic takes the original design and reimagines it with a darker color palette and more aggressive visual presentation, emphasizing its Dark-type classification through shadowy hues and a more sinister appearance. The regional form's design language reflects Hisui's ancient, primal setting, suggesting a Pokémon that evolved in isolation and developed characteristics suited to survival in a less civilized, more dangerous environment. The species' perpetually angry expression, combined with its spherical, inflatable body, creates a distinctive silhouette that makes Hisuian Qwilfish immediately recognizable while clearly distinguishing it from the friendlier-appearing Water/Poison original form. The design effectively communicates the species' role as a small but dangerous threat, with its capacity to inflate and launch poisonous projectiles serving as a visual metaphor for its deceptive power.
Learnable Moves
Qwilfish-hisui can learn 69 moves:
Move | Type | Cat. | Power | Acc. | PP |
|---|---|---|---|---|---|
| acid spray | poison | Special | 40 | 100 | 20 |
| acupressure | normal | Status | — | — | 30 |
| agility | psychic | Status | — | — | 30 |
| aqua jet | water | Physical | 40 | 100 | 20 |
| aqua tail | water | Physical | 90 | 90 | 10 |
| astonish | ghost | Physical | 30 | 100 | 15 |
| barb barrage | poison | Physical | 60 | 100 | 10 |
| bite | dark | Physical | 60 | 100 | 25 |
| blizzard | ice | Special | 110 | 70 | 5 |
| brine | water | Special | 65 | 100 | 10 |
| bubble beam | water | Special | 65 | 100 | 20 |
| chilling water | water | Special | 50 | 100 | 20 |
| crunch | dark | Physical | 80 | 100 | 15 |
| curse | ghost | Status | — | — | 10 |
| dark pulse | dark | Special | 80 | 100 | 15 |
| destiny bond | ghost | Status | — | — | 5 |
| double edge | normal | Physical | 120 | 100 | 15 |
| endure | normal | Status | — | — | 10 |
| facade | normal | Physical | 70 | 100 | 20 |
| fell stinger | bug | Physical | 50 | 100 | 25 |
| flail | normal | Physical | — | 100 | 15 |
| giga impact | normal | Physical | 150 | 90 | 5 |
| gunk shot | poison | Physical | 120 | 80 | 5 |
| gyro ball | steel | Physical | — | 100 | 5 |
| harden | normal | Status | — | — | 30 |
| haze | ice | Status | — | — | 30 |
| hex | ghost | Special | 65 | 100 | 10 |
| hydro pump | water | Special | 110 | 80 | 5 |
| ice ball | ice | Physical | 30 | 90 | 20 |
| ice beam | ice | Special | 90 | 100 | 10 |
| icy wind | ice | Special | 55 | 95 | 15 |
| lash out | dark | Physical | 75 | 100 | 5 |
| liquidation | water | Physical | 85 | 100 | 10 |
| minimize | normal | Status | — | — | 10 |
| mud shot | ground | Special | 55 | 95 | 15 |
| pain split | normal | Status | — | — | 20 |
| pin missile | bug | Physical | 25 | 95 | 20 |
| poison jab | poison | Physical | 80 | 100 | 20 |
| poison sting | poison | Physical | 15 | 100 | 35 |
| poison tail | poison | Physical | 50 | 100 | 25 |
| protect | normal | Status | — | — | 10 |
| rain dance | water | Status | — | — | 5 |
| rest | psychic | Status | — | — | 5 |
| reversal | fighting | Physical | — | 100 | 15 |
| scale shot | dragon | Physical | 25 | 90 | 20 |
| scary face | normal | Status | — | 100 | 10 |
| self destruct | normal | Physical | 200 | 100 | 5 |
| shadow ball | ghost | Special | 80 | 100 | 15 |
| sleep talk | normal | Status | — | — | 10 |
| sludge bomb | poison | Special | 90 | 100 | 10 |
| spikes | ground | Status | — | — | 20 |
| spit up | normal | Special | — | 100 | 10 |
| spite | ghost | Status | — | 100 | 10 |
| stockpile | normal | Status | — | — | 20 |
| substitute | normal | Status | — | — | 10 |
| supersonic | normal | Status | — | 55 | 20 |
| surf | water | Special | 90 | 100 | 15 |
| swift | normal | Special | 60 | — | 20 |
| swords dance | normal | Status | — | — | 20 |
| tackle | normal | Physical | 40 | 100 | 35 |
| take down | normal | Physical | 90 | 85 | 20 |
| taunt | dark | Status | — | 100 | 20 |
| tera blast | normal | Special | 80 | 100 | 10 |
| throat chop | dark | Physical | 80 | 100 | 15 |
| toxic | poison | Status | — | 90 | 10 |
| toxic spikes | poison | Status | — | — | 20 |
| venoshock | poison | Special | 65 | 100 | 10 |
| water pulse | water | Special | 60 | 100 | 20 |
| waterfall | water | Physical | 80 | 100 | 15 |
Qwilfish-hisui Competitive Battle Guide
Hisuian Qwilfish occupies a niche position in competitive Pokémon battling, serving primarily as a bulky physical attacker with respectable defensive capabilities. Its Attack stat of 95 provides solid offensive pressure, while its Defense of 85 grants it durability against physical assaults—a combination that makes it well-suited for physical wall strategies. The species' Speed stat of 85 is notably swift, outpacing many common competitive threats and allowing Hisuian Qwilfish to act before slower opponents in many matchups. Its special statistics of 55 in both Special Attack and Special Defense reveal its weakness to special attacks, making it vulnerable to special sweepers unless properly supported by defensive moves or abilities. The Poison Point ability provides passive damage through a thirty percent poisoning chance on contact, wearing down physical attackers that engage with it directly, while the hidden ability Intimidate offers immediate offensive pressure by lowering opponent Attack stats upon entry. Swift Swim provides excellent utility in rain-based teams, doubling Hisuian Qwilfish's Speed in weather-dependent strategies and potentially enabling it to outspeed typically faster threats. As a Dark/Poison type, it gains resistances to Ghost and Dark-type moves while maintaining weakness to Ground-type attacks, a consideration that influences team building and switch-in decisions in competitive play.
Commonly Asked Questions About Qwilfish-hisui
What type is Qwilfish-hisui?
Qwilfish-hisui is a dark and poison type Pokemon.
What does Qwilfish-hisui evolve into?
Qwilfish-hisui does not evolve into any other Pokemon. It is the final form in its evolution line.
What are Qwilfish-hisui's weaknesses?
Qwilfish-hisui is weak to ground type moves.
Qwilfish-hisui Cultural Impact & Franchise History
While Hisuian Qwilfish arrived later in the Pokémon franchise compared to its Water/Poison progenitor, it has generated significant interest within the community due to its unique regional form representation and connection to the critically acclaimed Pokémon Legends: Arceus. The species exemplifies the regional variant concept that gained prominence in Generation VII, demonstrating how Pokémon can adapt dramatically to different environments and historical periods. Its evolution into Overqwil through the exclusive move Barb Barrage introduced innovative mechanics that blended traditional leveling requirements with move mastery, influencing how future regional Pokémon evolutions were designed. Within Pokémon Legends: Arceus specifically, Hisuian Qwilfish served as a tangible example of how ancient Hisui's ecosystem differed from the modern Pokémon world, contributing to the game's worldbuilding and historical narrative. The Dark/Poison typing change inspired discussion among competitive players and lore enthusiasts about what environmental factors might drive such fundamental type shifts, enriching the franchise's scientific and evolutionary discourse. Its appearance in Blueberry Academy's Terarium in Pokémon Scarlet and Violet extended its availability to modern games, ensuring new generations of players could experience this regional adaptation and solidifying its place within contemporary Pokémon games.
Where to Find Qwilfish-hisui in Every Pokémon Game
Hisuian Qwilfish's primary availability centers on Pokémon Legends: Arceus, where it appears as a native species of the Hisui region with Pokédex number 084. In this game, it can be encountered in various water environments throughout Hisui and caught using standard Poké Balls, with a capture rate of 45, meaning it requires some persistence to catch but remains reasonably obtainable for dedicated trainers. Following the species' reintroduction in modern games, Hisuian Qwilfish became available in Pokémon Scarlet and Violet at Blueberry Academy's Terarium, specifically in the aquatic environments of this research facility with Pokédex number 331. The Terarium provided players with a natural habitat setting where Hisuian Qwilfish could be found and captured, maintaining accessibility for players transitioning between generations. Additionally, Hisuian Qwilfish was made available in the Indigo Disk DLC for Pokémon Scarlet and Violet under Pokédex number 146, ensuring players engaging with the expanded content could encounter and collect this regional form. The species' moderate catch rate of 45 makes it neither exceptionally difficult nor trivially easy to obtain, encouraging players to use appropriate catching strategies while remaining accessible enough that reasonable effort yields success. Its classification as a Medium Fast growth rate Pokémon means it reaches higher levels at a pace between the slowest and fastest-growing species, providing a balanced progression rate for trainers incorporating Hisuian Qwilfish into their teams.