Gender unknown

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Egg Groups
Monster Human-Like
Water 1 Water 3
Bug Mineral
Flying Amorphous
Field Water 2
Fairy Ditto
Grass Dragon
No Eggs Discovered
Gender unknown

Gender unknown (Japanese: 性別不明 sex unknown) is a gender designation that species of Pokémon can have. Pokémon such as Voltorb, Staryu, and Mew that display neither a nor symbol in battle or on their summary screen are gender-unknown Pokémon.

In-universe, no one has been able to determine the gender of these Pokémon, including scientists.[1]

Terminology

In English-language official media, these Pokémon are generally referred to as being gender unknown,[2] as having or being of unknown gender,[3] or simply by stating that their gender is unknown.[4] As a prenominal adjective, it is generally hyphenated, such as in "gender-unknown Pokémon",[5] though it has also appeared without being hyphenated.[6]

Alternate terms that have been used officially include:

In Pokémon Diamond, Pearl, Platinum, Brilliant Diamond, and Shining Pearl, Picnicker Siena on Route 205 mentions that there are some Pokémon whose gender can't be toldDPBDSP or that are neither male nor femalePt; both of these merely correspond to usages of 「性別不明"sex unknown" in Japanese.[11]

The Japanese versions of the games also refer to gender-unknown Pokémon as having (Japanese: せいべつなし no gender, formatted in kanji as 性別なし no gender in Pokémon: Let's Go, Pikachu! and Let's Go, Eevee! and Pokémon HOME on the Nintendo Switch) in the search feature of the Pokémon Storage System and Pokémon HOME.[12]

As an Egg Group

In Pokémon Stadium 2 and in official Japanese and Chinese guidebooks for the Generation II and III games, Gender unknown also refers to an Egg Group consisting of gender-unknown Pokémon that are able to breed with Ditto, but this Egg Group has never actually existed in the coding of the games. In these sources, gender-unknown Pokémon are listed in this Egg Group rather than in their actual Egg Groups. While Pokémon Diamond and Pearl: Official Nintendo Player's Guide also lists Gender Unknown as an Egg Group, it lists the Pokémon with their actual Egg Groups in the data section.

In Pokémon Emerald: Prima's Official Strategy Guide, Pokémon 10th Anniversary Collector's Edition Complete Pokédex, and early Japanese official guidebooks for Pokémon Ruby and Sapphire, gender-unknown Pokémon are instead listed in the No Eggs group, likely due to Ditto not being available without tradingRS/until after obtaining the National Pokédex in the Desert UnderpassE. Official guidebooks since Generation IV consistently list gender-unknown Pokémon in their actual Egg Groups.

Mechanics

Gender-unknown Pokémon (except Ditto) can only breed with Ditto. However, many gender-unknown Pokémon are in the No Eggs Discovered group, meaning that those Pokémon cannot breed at all. Ditto itself can be bred with any Pokémon that can breed (except Ditto), but the Eggs produced are always based on the other Pokémon's species.

In battle, gender-unknown Pokémon are immune to gender-based effects. They cannot become infatuated nor infatuate other Pokémon. The moves Attract and Captivate fail if used by or on these Pokémon. The Abilities Cute Charm and Rivalry do not affect gender-unknown Pokémon and have no effect if possessed by them.

Pokémon

Breedable

#   Pokémon Type Egg Groups
0081 Magnemite Magnemite
Electric Steel Mineral
0082 Magneton Magneton
Electric Steel Mineral
0100 Voltorb Voltorb
Electric Mineral
0101 Electrode Electrode
Electric Mineral
0120 Staryu Staryu
Water Water 3
0121 Starmie Starmie
Water Psychic Water 3
0137 Porygon Porygon
Normal Mineral
0233 Porygon2 Porygon2
Normal Mineral
0292 Shedinja Shedinja
Bug Ghost Mineral
0337 Lunatone Lunatone
Rock Psychic Mineral
0338 Solrock Solrock
Rock Psychic Mineral
0343 Baltoy Baltoy
Ground Psychic Mineral
0344 Claydol Claydol
Ground Psychic Mineral
0374 Beldum Beldum
Steel Psychic Mineral
0375 Metang Metang
Steel Psychic Mineral
0376 Metagross Metagross
Steel Psychic Mineral
0436 Bronzor Bronzor
Steel Psychic Mineral
0437 Bronzong Bronzong
Steel Psychic Mineral
0462 Magnezone Magnezone
Electric Steel Mineral
0474 Porygon-Z Porygon-Z
Normal Mineral
0479 Rotom Rotom
Electric Ghost Amorphous
0479 Rotom Rotom
Heat Rotom
Electric Fire Amorphous
0479 Rotom Rotom
Wash Rotom
Electric Water Amorphous
0479 Rotom Rotom
Frost Rotom
Electric Ice Amorphous
0479 Rotom Rotom
Fan Rotom
Electric Flying Amorphous
0479 Rotom Rotom
Mow Rotom
Electric Grass Amorphous
0489 Phione Phione
Water Water 1/Fairy
0490 Manaphy Manaphy
Water Water 1/Fairy
0599 Klink Klink
Steel Mineral
0600 Klang Klang
Steel Mineral
0601 Klinklang Klinklang
Steel Mineral
0615 Cryogonal Cryogonal
Ice Mineral
0622 Golett Golett
Ground Ghost Mineral
0623 Golurk Golurk
Ground Ghost Mineral
0703 Carbink Carbink
Rock Fairy Fairy/Mineral
0774 Minior Minior
Rock Flying Mineral
0781 Dhelmise Dhelmise
Ghost Grass Mineral
0854 Sinistea Sinistea
Ghost Mineral/Amorphous
0855 Polteageist Polteageist
Ghost Mineral/Amorphous
0870 Falinks Falinks
Fighting Fairy/Mineral
0924 Tandemaus Tandemaus
Normal Field/Fairy
0925 Maushold Maushold
Normal Field/Fairy
1012 Poltchageist Poltchageist
Grass Ghost Mineral/Amorphous
1013 Sinistcha Sinistcha
Grass Ghost Mineral/Amorphous

Unbreedable

#   Pokémon Type Egg Groups
0132 Ditto Ditto
Normal Ditto
0144 Articuno Articuno
Ice Flying No Eggs Discovered
0144 Articuno Articuno
Galarian Form
Psychic Flying No Eggs Discovered
0145 Zapdos Zapdos
Electric Flying No Eggs Discovered
0145 Zapdos Zapdos
Galarian Form
Fighting Flying No Eggs Discovered
0146 Moltres Moltres
Fire Flying No Eggs Discovered
0146 Moltres Moltres
Galarian Form
Dark Flying No Eggs Discovered
0150 Mewtwo Mewtwo
Psychic No Eggs Discovered
0151 Mew Mew
Psychic No Eggs Discovered
0201 Unown Unown
Psychic No Eggs Discovered
0243 Raikou Raikou
Electric No Eggs Discovered
0244 Entei Entei
Fire No Eggs Discovered
0245 Suicune Suicune
Water No Eggs Discovered
0249 Lugia Lugia
Psychic Flying No Eggs Discovered
0250 Ho-Oh Ho-Oh
Fire Flying No Eggs Discovered
0251 Celebi Celebi
Psychic Grass No Eggs Discovered
0377 Regirock Regirock
Rock No Eggs Discovered
0378 Regice Regice
Ice No Eggs Discovered
0379 Registeel Registeel
Steel No Eggs Discovered
0382 Kyogre Kyogre
Water No Eggs Discovered
0383 Groudon Groudon
Ground No Eggs Discovered
0384 Rayquaza Rayquaza
Dragon Flying No Eggs Discovered
0385 Jirachi Jirachi
Steel Psychic No Eggs Discovered
0386 Deoxys Deoxys
Normal Forme
Psychic No Eggs Discovered
0386 Deoxys Deoxys
Attack Forme
Psychic No Eggs Discovered
0386 Deoxys Deoxys
Defense Forme
Psychic No Eggs Discovered
0386 Deoxys Deoxys
Speed Forme
Psychic No Eggs Discovered
0480 Uxie Uxie
Psychic No Eggs Discovered
0481 Mesprit Mesprit
Psychic No Eggs Discovered
0482 Azelf Azelf
Psychic No Eggs Discovered
0483 Dialga Dialga
Steel Dragon No Eggs Discovered
0484 Palkia Palkia
Water Dragon No Eggs Discovered
0486 Regigigas Regigigas
Normal No Eggs Discovered
0487 Giratina Giratina
Altered Forme
Ghost Dragon No Eggs Discovered
0487 Giratina Giratina
Origin Forme
Ghost Dragon No Eggs Discovered
0491 Darkrai Darkrai
Dark No Eggs Discovered
0492 Shaymin Shaymin
Land Forme
Grass No Eggs Discovered
0492 Shaymin Shaymin
Sky Forme
Grass Flying No Eggs Discovered
0493 Arceus Arceus
Normal No Eggs Discovered
0494 Victini Victini
Psychic Fire No Eggs Discovered
0638 Cobalion Cobalion
Steel Fighting No Eggs Discovered
0639 Terrakion Terrakion
Rock Fighting No Eggs Discovered
0640 Virizion Virizion
Grass Fighting No Eggs Discovered
0643 Reshiram Reshiram
Dragon Fire No Eggs Discovered
0644 Zekrom Zekrom
Dragon Electric No Eggs Discovered
0646 Kyurem Kyurem
Dragon Ice No Eggs Discovered
0646 Kyurem Kyurem
Black Kyurem
Dragon Ice No Eggs Discovered
0646 Kyurem Kyurem
White Kyurem
Dragon Ice No Eggs Discovered
0647 Keldeo Keldeo
Ordinary Form
Water Fighting No Eggs Discovered
0647 Keldeo Keldeo
Resolute Form
Water Fighting No Eggs Discovered
0648 Meloetta Meloetta
Normal Psychic No Eggs Discovered
0649 Genesect Genesect
Bug Steel No Eggs Discovered
0716 Xerneas Xerneas
Fairy No Eggs Discovered
0717 Yveltal Yveltal
Dark Flying No Eggs Discovered
0718 Zygarde Zygarde
Dragon Ground No Eggs Discovered
0719 Diancie Diancie
Rock Fairy No Eggs Discovered
0720 Hoopa Hoopa
Hoopa Confined
Psychic Ghost No Eggs Discovered
0720 Hoopa Hoopa
Hoopa Unbound
Psychic Dark No Eggs Discovered
0721 Volcanion Volcanion
Fire Water No Eggs Discovered
0772 Type: Null Type: Null
Normal No Eggs Discovered
0773 Silvally Silvally
Normal No Eggs Discovered
0785 Tapu Koko Tapu Koko
Electric Fairy No Eggs Discovered
0786 Tapu Lele Tapu Lele
Psychic Fairy No Eggs Discovered
0787 Tapu Bulu Tapu Bulu
Grass Fairy No Eggs Discovered
0788 Tapu Fini Tapu Fini
Water Fairy No Eggs Discovered
0789 Cosmog Cosmog
Psychic No Eggs Discovered
0790 Cosmoem Cosmoem
Psychic No Eggs Discovered
0791 Solgaleo Solgaleo
Psychic Steel No Eggs Discovered
0792 Lunala Lunala
Psychic Ghost No Eggs Discovered
0793 Nihilego Nihilego
Rock Poison No Eggs Discovered
0794 Buzzwole Buzzwole
Bug Fighting No Eggs Discovered
0795 Pheromosa Pheromosa
Bug Fighting No Eggs Discovered
0796 Xurkitree Xurkitree
Electric No Eggs Discovered
0797 Celesteela Celesteela
Steel Flying No Eggs Discovered
0798 Kartana Kartana
Grass Steel No Eggs Discovered
0799 Guzzlord Guzzlord
Dark Dragon No Eggs Discovered
0800 Necrozma Necrozma
Psychic No Eggs Discovered
0800 Necrozma Necrozma
Dusk Mane
Psychic Steel No Eggs Discovered
0800 Necrozma Necrozma
Dawn Wings
Psychic Ghost No Eggs Discovered
0801 Magearna Magearna
Steel Fairy No Eggs Discovered
0802 Marshadow Marshadow
Fighting Ghost No Eggs Discovered
0803 Poipole Poipole
Poison No Eggs Discovered
0804 Naganadel Naganadel
Poison Dragon No Eggs Discovered
0805 Stakataka Stakataka
Rock Steel No Eggs Discovered
0806 Blacephalon Blacephalon
Fire Ghost No Eggs Discovered
0807 Zeraora Zeraora
Electric No Eggs Discovered
0808 Meltan Meltan
Steel No Eggs Discovered
0809 Melmetal Melmetal
Steel No Eggs Discovered
0880 Dracozolt Dracozolt
Electric Dragon No Eggs Discovered
0881 Arctozolt Arctozolt
Electric Ice No Eggs Discovered
0882 Dracovish Dracovish
Water Dragon No Eggs Discovered
0883 Arctovish Arctovish
Water Ice No Eggs Discovered
0888 Zacian Zacian
Fairy No Eggs Discovered
0889 Zamazenta Zamazenta
Fighting No Eggs Discovered
0890 Eternatus Eternatus
Poison Dragon No Eggs Discovered
0893 Zarude Zarude
Dark Grass No Eggs Discovered
0894 Regieleki Regieleki
Electric No Eggs Discovered
0895 Regidrago Regidrago
Dragon No Eggs Discovered
0896 Glastrier Glastrier
Ice No Eggs Discovered
0897 Spectrier Spectrier
Ghost No Eggs Discovered
0898 Calyrex Calyrex
Psychic Grass No Eggs Discovered
0898 Calyrex Calyrex
Ice Rider
Psychic Ice No Eggs Discovered
0898 Calyrex Calyrex
Shadow Rider
Psychic Ghost No Eggs Discovered
0984 Great Tusk Great Tusk
Ground Fighting No Eggs Discovered
0985 Scream Tail Scream Tail
Fairy Psychic No Eggs Discovered
0986 Brute Bonnet Brute Bonnet
Grass Dark No Eggs Discovered
0987 Flutter Mane Flutter Mane
Ghost Fairy No Eggs Discovered
0988 Slither Wing Slither Wing
Bug Fighting No Eggs Discovered
0989 Sandy Shocks Sandy Shocks
Electric Ground No Eggs Discovered
0990 Iron Treads Iron Treads
Ground Steel No Eggs Discovered
0991 Iron Bundle Iron Bundle
Ice Water No Eggs Discovered
0992 Iron Hands Iron Hands
Fighting Electric No Eggs Discovered
0993 Iron Jugulis Iron Jugulis
Dark Flying No Eggs Discovered
0994 Iron Moth Iron Moth
Fire Poison No Eggs Discovered
0995 Iron Thorns Iron Thorns
Rock Electric No Eggs Discovered
0999 Gimmighoul Gimmighoul
Chest Form
Ghost No Eggs Discovered
0999 Gimmighoul Gimmighoul
Roaming Form
Ghost No Eggs Discovered
1000 Gholdengo Gholdengo
Steel Ghost No Eggs Discovered
1001 Wo-Chien Wo-Chien
Dark Grass No Eggs Discovered
1002 Chien-Pao Chien-Pao
Dark Ice No Eggs Discovered
1003 Ting-Lu Ting-Lu
Dark Ground No Eggs Discovered
1004 Chi-Yu Chi-Yu
Dark Fire No Eggs Discovered
1005 Roaring Moon Roaring Moon
Dragon Dark No Eggs Discovered
1006 Iron Valiant Iron Valiant
Fairy Fighting No Eggs Discovered
1007 Koraidon Koraidon
Fighting Dragon No Eggs Discovered
1008 Miraidon Miraidon
Electric Dragon No Eggs Discovered
1009 Walking Wake Walking Wake
Water Dragon No Eggs Discovered
1010 Iron Leaves Iron Leaves
Grass Psychic No Eggs Discovered
1020 Gouging Fire Gouging Fire
Fire Dragon No Eggs Discovered
1021 Raging Bolt Raging Bolt
Electric Dragon No Eggs Discovered
1022 Iron Boulder Iron Boulder
Rock Psychic No Eggs Discovered
1023 Iron Crown Iron Crown
Steel Psychic No Eggs Discovered
1025 Pecharunt Pecharunt
Poison Ghost No Eggs Discovered

In the anime

In To Catch a Rotom!, after Iris tries to have her Emolga use Attract on three Rotom, Professor Oak remarks that Rotom are neither male nor female.[13]

In other languages

Gender unknown

Language Title
Chinese Cantonese 性別不明 Singbiht Bātmìhng
Mandarin 性別不明 / 性别不明 Xìngbié Bùmíng
France Flag.png French Sexe inconnu
Germany Flag.png German Unbekanntes GeschlechtHOME
Geschlecht unbekanntNew Pokémon Snap
Geschlecht ?Stad2
Italy Flag.png Italian Sesso sconosciutoHOME
Genere sconosc.Stad2
South Korea Flag.png Korean 성별 불명 Seongbyeol Bulmyeong
Brazil Flag.png Brazilian Portuguese Gênero desconhecido
Russia Flag.png Russian Пол неизвестен Pol neizvesten
Spain Flag.png Spanish Sexo desconocidoHOME, New Pokémon Snap
Género no conocidoStad2
Thailand Flag.png Thai เพศไม่แน่ชัด Phet Mainaechat
Turkey Flag.png Turkish Cinsiyet bilinmiyor

Unknown

Language Title
Chinese Cantonese 不明 Bātmìhng
Mandarin 不明 Bùmíng
Denmark Flag.png Danish Ukendt
The Netherlands Flag.png Dutch Onbekend
Finland Flag.png Finnish Tuntematon
France Flag.png French Inconnu
Germany Flag.png German Unbekannt
NeutrumGSC
Israel Flag.png Hebrew לא ידוע Lo Yadu'a
Italy Flag.png Italian Sconosciuto
Sconosc.GSC
South Korea Flag.png Korean 불명 Bulmyeong
Norway Flag.png Norwegian Ukjent
Portugal Flag.png Portuguese Desconhecido
Russia Flag.png Russian Неизвестно Neizvestno
Spain Flag.png Spanish Desconocido
Descon.GSC
Sweden Flag.png Swedish Okänt
Thailand Flag.png Thai ไม่แน่ชัด Mainaechat
Turkey Flag.png Turkish Belirsiz
Vietnam Flag.png Vietnamese Chưa xác định

Unknown/Gender unknown[12]

Language Title
Chinese Cantonese 無性別 Mòuh Singbiht
Mandarin 無性別 / 无性别 Wú Xìngbié *
性别无 Xìngbié Wú *
France Flag.png French ?
InconnuHOME (mobile)
NeutreB2W2
Germany Flag.png German Unbekannt
?XYORASSMUSUM
Italy Flag.png Italian Sconosciuto
Non specificatoB2W2
South Korea Flag.png Korean 성별 없음 Seongbyeol Eopseum
성별없음 Seongbyeol EopseumB2W2
Spain Flag.png Spanish Desconocido

References

  1. Multiple sources:
  2. Multiple sources:
  3. Multiple sources:
  4. Multiple sources:
  5. Multiple sources:
  6. Pokémon Sun & Pokémon Moon: The Official Strategy Guide, p. 288-9; excerpts: "find Pokémon Eggs for a gender unknown Pokémon", "including gender unknown ones", "leave a male or gender unknown Pokémon"
  7. Multiple sources:
  8. Multiple sources:
  9. Multiple sources:
  10. Pokémon Platinum: Prima's Official Strategy Guide, p. 384; excerpt: "Metagross is of indeterminate gender"
  11. Multiple sources:
    • Pokémon Diamond and Pearl: Picnicker Siena on Route 205 says "What can I tell you about Pokémon? Well, there are males and females. And some that you can't tell!" (Japanese: 「ポケモンで しってること? そうねー ポケモンには メスと オス それと せいべつふめいが いるよ!」)
    • Pokémon Platinum: Picnicker Siena on Route 205 says "I know all sorts of things about Pokémon! Let's see... There are males and females, and some aren't either!" (Japanese: 「あたし ポケモンに くわしいよ! えっとー ポケモンには メスと オス それと せいべつふめいが いるの!」)
    • Pokémon Brilliant Diamond and Shining Pearl: Picnicker Siena on Route 205 says "What can I tell you about Pokémon? Well, there are males and females. And some that you can't tell." (Japanese: 「ポケモンで ってること? そうねー ポケモンには メスと オス それと 性別不明が いるよ!」)
  12. 12.0 12.1 Multiple sources:
  13. To Catch a Rotom!: Professor Oak says "I'm afraid Rotom are neither male nor female. And that's the reason Attract had no effect on them." (Japanese: 「いや、ロトムにオスとメスの区別はないぞ。だから、メロメロの効果を受けないんじゃ。」 )


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