By Name

Azalea Town

Available species: Pidgey, Pidgeotto, Spearow, Fearow, Ekans, Arbok, Mankey, Primeape, Aipom, Heracross

Blackthorn City

Available species: Spearow, Fearow, Mankey, Primeape, Poliwag, Poliwhirl, Goldeen, Scyther, Magikarp, Gyarados, Dratini, Totodile, Croconaw, Feraligatr, Politoed, Wooper, Quagsire, Gligar, Heracross, Sneasel, Remoraid, Octillery, Skarmory

Burned Tower 1F

Available species: Rattata, Raticate, Vulpix, Zubat, Golbat, Meowth, Persian, Gastly, Haunter, Hitmonchan, Koffing, Spinarak, Ariados, Murkrow, Misdreavus, Tyrogue

Burned Tower B1F

Available species: Rattata, Raticate, Zubat, Golbat, Gastly, Haunter, Cubone, Marowak, Koffing, Weezing, Misdreavus

Celadon City

Available species: Grimer, Muk

Cerulean City

Available species: Psyduck, Goldeen, Magikarp, Gyarados

Cherrygrove City

Available species: Spearow, Fearow, Mankey, Primeape, Tentacool, Tentacruel, Shellder, Cloyster, Krabby, Kingler, Staryu, Starmie, Scyther, Magikarp, Gyarados, Gligar, Heracross, Sneasel, Corsola, Mantine, Skarmory

Cianwood City

Available species: Spearow, Fearow, Mankey, Primeape, Tentacool, Tentacruel, Geodude, Graveler, Shellder, Cloyster, Krabby, Kingler, Staryu, Starmie, Scyther, Magikarp, Gyarados, Gligar, Shuckle, Heracross, Sneasel, Corsola, Mantine, Skarmory

Cinnabar Island

Available species: Squirtle, Wartortle, Tentacool, Tentacruel, Shellder, Cloyster, Staryu, Starmie, Magikarp, Gyarados

Dark Cave Blackthorn Entrance

Available species: Golbat, Paras, Parasect, Machop, Machoke, Machamp, Geodude, Graveler, Shellder, Onix, Cubone, Marowak, Goldeen, Seaking, Magikarp, Gyarados, Wooper, Quagsire, Wobbuffet, Steelix, Teddiursa, Ursaring

Dark Cave Violet Entrance

Available species: Zubat, Paras, Geodude, Graveler, Shellder, Krabby, Cubone, Goldeen, Seaking, Magikarp, Gyarados, Wooper, Quagsire, Dunsparce, Shuckle, Teddiursa, Tyrogue

Digletts Cave

Available species: Diglett, Dugtrio

Dragons Den 1F

Available species: Magikarp, Gyarados, Dratini, Dragonair

Dragons Den B1F

Available species: Magikarp, Gyarados, Dratini, Dragonair

Ecruteak City

Available species: Spearow, Fearow, Mankey, Primeape, Poliwag, Poliwhirl, Goldeen, Scyther, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Marill, Azumarill, Politoed, Wooper, Quagsire, Gligar, Heracross, Sneasel, Remoraid, Octillery, Skarmory

Fuchsia City

Available species: Psyduck, Goldeen, Magikarp, Gyarados

Goldenrod City

Available species: Spearow, Fearow, Mankey, Primeape, Scyther, Gligar, Heracross, Sneasel, Skarmory

Ice Path 1F

Available species: Zubat, Golbat, Machop, Machoke, Jynx, Magikarp, Gyarados, Dratini, Dragonair, Sneasel, Teddiursa, Ursaring, Swinub, Piloswine, Delibird, Smoochum

Ice Path B1F

Available species: Zubat, Golbat, Jynx, Magikarp, Gyarados, Dratini, Dragonair, Crobat, Sneasel, Swinub, Piloswine, Delibird, Smoochum

Ice Path B2F Blackthorn Side

Available species: Zubat, Golbat, Jynx, Magikarp, Gyarados, Dratini, Dragonair, Crobat, Sneasel, Swinub, Piloswine, Delibird, Smoochum

Ice Path B2F Mahogany Side

Available species: Zubat, Golbat, Jynx, Magikarp, Gyarados, Dratini, Dragonair, Crobat, Sneasel, Swinub, Piloswine, Delibird, Smoochum

Ice Path B3F

Available species: Golbat, Jynx, Magikarp, Gyarados, Dratini, Dragonair, Crobat, Sneasel, Swinub, Piloswine, Delibird

Ilex Forest

Available species: Caterpie, Metapod, Butterfree, Weedle, Kakuna, Beedrill, Pidgey, Pidgeotto, Ekans, Arbok, Pikachu, Oddish, Gloom, Paras, Parasect, Venonat, Psyduck, Golduck, Mankey, Poliwag, Poliwhirl, Bellsprout, Weepinbell, Farfetch'D, Exeggcute, Tangela, Goldeen, Pinsir, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Politoed, Aipom, Yanma, Wooper, Quagsire, Murkrow, Pineco, Heracross, Remoraid, Octillery

Ilex Forest Wild Area

Available species: Caterpie, Metapod, Butterfree, Weedle, Kakuna, Beedrill, Pidgeotto, Pidgeot, Arbok, Golbat, Gloom, Parasect, Psyduck, Golduck, Mankey, Poliwag, Poliwhirl, Poliwrath, Weepinbell, Haunter, Exeggcute, Lickitung, Tangela, Goldeen, Scyther, Pinsir, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Hoothoot, Noctowl, Ledian, Spinarak, Ariados, Politoed, Aipom, Wooper, Quagsire, Murkrow, Pineco, Scizor, Heracross, Teddiursa, Ursaring, Remoraid, Octillery, Houndour, Houndoom

Lake Of Rage

Available species: Caterpie, Metapod, Butterfree, Venonat, Poliwag, Poliwhirl, Exeggcute, Goldeen, Seaking, Scyther, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Hoothoot, Noctowl, Politoed, Aipom, Murkrow, Pineco, Heracross

Mahogany Town

Available species: Spearow, Fearow, Mankey, Primeape, Scyther, Gligar, Heracross, Sneasel, Skarmory

Mount Moon

Available species: Sandshrew, Sandslash, Clefairy, Zubat, Golbat, Paras, Parasect, Geodude, Graveler

Mount Mortar 1F Inside

Available species: Zubat, Golbat, Paras, Parasect, Machop, Machoke, Geodude, Graveler, Shellder, Onix, Cubone, Marowak, Hitmonchan, Rhyhorn, Goldeen, Seaking, Magikarp, Gyarados, Wooper, Quagsire, Misdreavus, Wobbuffet, Dunsparce, Tyrogue

Mount Mortar 1F Outside

Available species: Clefairy, Zubat, Golbat, Paras, Parasect, Machop, Machoke, Geodude, Graveler, Slowpoke, Shellder, Hitmonchan, Goldeen, Seaking, Magikarp, Gyarados, Marill, Azumarill, Wooper, Quagsire, Misdreavus, Teddiursa, Ursaring, Tyrogue

Mount Mortar 2F Inside

Available species: Clefairy, Golbat, Parasect, Graveler, Golem, Shellder, Marowak, Rhyhorn, Rhydon, Goldeen, Seaking, Magikarp, Gyarados, Crobat, Wooper, Quagsire, Wobbuffet, Dunsparce, Pupitar

Mount Mortar B1F

Available species: Zubat, Golbat, Paras, Parasect, Machop, Machoke, Geodude, Graveler, Shellder, Rhyhorn, Goldeen, Seaking, Magikarp, Gyarados, Wooper, Quagsire, Misdreavus, Wobbuffet, Dunsparce

Mount Mortar B2F

Available species: Tentacool, Tentacruel, Geodude, Graveler, Onix, Koffing, Rhyhorn, Horsea, Seadra, Magmar, Magikarp, Gyarados, Chinchou, Lanturn, Qwilfish, Slugma, Remoraid, Octillery, Magby, Larvitar

National Park

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Pikachu, Jigglypuff, Meowth, Persian, Psyduck, Drowzee, Hypno, Mr. Mime, Eevee, Sentret, Furret, Hoothoot, Noctowl, Ledyba, Ledian, Marill, Azumarill, Sunkern, Wooper, Quagsire, Murkrow, Snubbull, Granbull, Smeargle

New Bark Town

Available species: Spearow, Fearow, Mankey, Primeape, Tentacool, Tentacruel, Horsea, Seadra, Scyther, Magikarp, Gyarados, Chinchou, Lanturn, Gligar, Qwilfish, Heracross, Sneasel, Remoraid, Octillery, Skarmory

Olivine City

Available species: Spearow, Fearow, Mankey, Primeape, Tentacool, Tentacruel, Shellder, Cloyster, Krabby, Kingler, Staryu, Starmie, Scyther, Magikarp, Gyarados, Gligar, Heracross, Sneasel, Corsola, Skarmory

Olivine Port

Available species: Tentacool, Tentacruel, Horsea, Seadra, Magikarp, Gyarados, Chinchou, Lanturn, Qwilfish, Remoraid, Octillery

Pallet Town

Available species: Squirtle, Wartortle, Tentacool, Tentacruel, Shellder, Cloyster, Staryu, Starmie, Magikarp, Gyarados

Rock Tunnel 1F

Available species: Sandshrew, Sandslash, Zubat, Golbat, Paras, Parasect, Machop, Machoke, Geodude, Graveler, Gastly, Haunter, Onix, Cubone, Rhyhorn

Rock Tunnel B1F

Available species: Sandshrew, Sandslash, Zubat, Golbat, Paras, Parasect, Machop, Machoke, Geodude, Graveler, Haunter, Onix, Cubone, Marowak, Rhyhorn, Crobat

Route 1

Available species: Pidgey, Pidgeotto, Rattata, Vulpix, Jigglypuff, Oddish, Meowth, Ponyta, Farfetch'D, Drowzee, Tauros

Route 10 North

Available species: Squirtle, Wartortle, Rattata, Raticate, Spearow, Fearow, Pikachu, Venonat, Psyduck, Golduck, Poliwag, Poliwhirl, Tentacool, Tentacruel, Slowpoke, Magnemite, Magneton, Shellder, Cloyster, Voltorb, Electrode, Goldeen, Seaking, Staryu, Starmie, Electabuzz, Magikarp, Gyarados

Route 11

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Ekans, Arbok, Jigglypuff, Oddish, Gloom, Vileplume, Venonat, Meowth, Persian, Ponyta, Magnemite, Doduo, Drowzee, Hypno

Route 12

Available species: Squirtle, Wartortle, Tentacool, Tentacruel, Shellder, Cloyster, Staryu, Starmie, Magikarp, Gyarados

Route 13

Available species: Squirtle, Wartortle, Butterfree, Beedrill, Pidgeotto, Pidgeot, Raticate, Nidorina, Nidorino, Gloom, Venonat, Venomoth, Poliwhirl, Weepinbell, Victreebel, Tentacool, Tentacruel, Farfetch'D, Shellder, Cloyster, Hypno, Kangaskhan, Staryu, Starmie, Magikarp, Gyarados

Route 14

Available species: Squirtle, Wartortle, Pidgeotto, Pidgeot, Raticate, Arbok, Nidorina, Nidorino, Gloom, Vileplume, Venonat, Venomoth, Tentacool, Tentacruel, Shellder, Cloyster, Hypno, Exeggutor, Chansey, Tangela, Staryu, Starmie, Magikarp, Gyarados, Blissey

Route 15

Available species: Raticate, Fearow, Nidorina, Nidorino, Vulpix, Gloom, Vileplume, Venonat, Venomoth, Meowth, Persian, Ponyta, Doduo, Dodrio, Scyther, Tauros, Scizor

Route 16

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Pikachu, Oddish, Gloom, Venonat, Venomoth, Meowth, Persian, Grimer, Gastly, Haunter, Koffing, Eevee, Snorlax

Route 17

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Spearow, Fearow, Meowth, Persian, Kadabra, Grimer, Muk, Koffing, Mr. Mime

Route 18

Available species: Squirtle, Wartortle, Pidgeotto, Raticate, Spearow, Fearow, Ekans, Arbok, Venonat, Venomoth, Meowth, Persian, Psyduck, Golduck, Poliwag, Poliwhirl, Tentacool, Tentacruel, Grimer, Shellder, Cloyster, Koffing, Weezing, Staryu, Starmie, Magikarp, Gyarados

Route 19

Available species: Squirtle, Wartortle, Tentacool, Tentacruel, Shellder, Cloyster, Staryu, Starmie, Magikarp, Gyarados

Route 2

Available species: Caterpie, Metapod, Butterfree, Pidgey, Pidgeotto, Rattata, Ekans, Pikachu, Vulpix, Oddish, Venonat, Meowth, Drowzee, Tangela, Eevee

Route 20

Available species: Squirtle, Wartortle, Tentacool, Tentacruel, Shellder, Cloyster, Staryu, Starmie, Magikarp, Gyarados, Lapras

Route 21

Available species: Squirtle, Wartortle, Pidgey, Pidgeotto, Rattata, Raticate, Venonat, Venomoth, Meowth, Growlithe, Poliwag, Poliwhirl, Tentacool, Tentacruel, Slowpoke, Shellder, Cloyster, Drowzee, Hypno, Exeggcute, Tangela, Horsea, Seadra, Staryu, Starmie, Magikarp, Gyarados

Route 22

Available species: Squirtle, Wartortle, Rattata, Raticate, Spearow, Fearow, Nidoran♀, Nidorina, Nidoran♂, Nidorino, Jigglypuff, Venonat, Meowth, Psyduck, Mankey, Poliwag, Poliwhirl, Bellsprout, Farfetch'D, Drowzee, Hypno, Goldeen, Seaking, Magikarp, Gyarados, Vaporeon, Politoed

Route 24

Available species: Squirtle, Wartortle, Butterfree, Pidgey, Pidgeotto, Jigglypuff, Zubat, Golbat, Oddish, Gloom, Paras, Parasect, Venonat, Psyduck, Poliwag, Poliwhirl, Abra, Kadabra, Bellsprout, Weepinbell, Farfetch'D, Goldeen, Seaking, Magikarp, Gyarados, Vaporeon, Politoed

Route 25

Available species: Squirtle, Wartortle, Butterfree, Beedrill, Pidgey, Pidgeotto, Rattata, Raticate, Spearow, Fearow, Clefairy, Oddish, Gloom, Paras, Parasect, Venonat, Meowth, Mankey, Tentacool, Tentacruel, Shellder, Cloyster, Lickitung, Goldeen, Seaking, Staryu, Starmie, Magikarp, Gyarados

Route 26

Available species: Caterpie, Metapod, Butterfree, Weedle, Kakuna, Beedrill, Pidgey, Pidgeotto, Raticate, Spearow, Fearow, Ekans, Arbok, Sandslash, Clefable, Golbat, Venonat, Venomoth, Mankey, Primeape, Machoke, Machamp, Weepinbell, Tentacool, Tentacruel, Graveler, Golem, Exeggcute, Marowak, Hitmonlee, Hitmonchan, Rhyhorn, Rhydon, Horsea, Seadra, Scyther, Pinsir, Magikarp, Gyarados, Snorlax, Crobat, Chinchou, Lanturn, Qwilfish, Scizor, Remoraid, Octillery

Route 27

Available species: Caterpie, Metapod, Butterfree, Weedle, Kakuna, Beedrill, Pidgey, Pidgeotto, Pidgeot, Raticate, Spearow, Fearow, Ekans, Arbok, Venonat, Venomoth, Mankey, Primeape, Poliwhirl, Weepinbell, Tentacool, Tentacruel, Hypno, Exeggcute, Lickitung, Tangela, Horsea, Seadra, Scyther, Pinsir, Magikarp, Gyarados, Noctowl, Chinchou, Lanturn, Politoed, Quagsire, Gligar, Qwilfish, Scizor, Heracross, Remoraid, Octillery

Route 28

Available species: Charizard, Spearow, Fearow, Clefable, Vileplume, Parasect, Golduck, Mankey, Primeape, Poliwag, Poliwhirl, Poliwrath, Machoke, Machamp, Marowak, Hitmonlee, Hitmonchan, Rhyhorn, Rhydon, Tangela, Goldeen, Seaking, Scyther, Jynx, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Crobat, Politoed, Wooper, Quagsire, Gligar, Scizor, Heracross, Sneasel, Remoraid, Octillery, Skarmory

Route 29

Available species: Pidgey, Pidgeotto, Rattata, Jigglypuff, Oddish, Venonat, Drowzee, Exeggcute, Sentret, Furret, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Igglybuff, Mareep, Flaaffy, Hoppip, Skiploom, Sunkern, Murkrow, Pineco

Route 3

Available species: Charmander, Charmeleon, Rattata, Raticate, Spearow, Fearow, Ekans, Arbok, Sandshrew, Sandslash, Nidoran♀, Nidorina, Nidoran♂, Nidorino, Clefairy, Zubat, Diglett, Doduo, Cubone

Route 30

Available species: Caterpie, Metapod, Butterfree, Weedle, Kakuna, Beedrill, Pidgey, Pidgeotto, Rattata, Venonat, Psyduck, Poliwag, Poliwhirl, Drowzee, Exeggcute, Goldeen, Magikarp, Gyarados, Chikorita, Bayleef, Totodile, Croconaw, Feraligatr, Sentret, Furret, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Marill, Azumarill, Politoed, Hoppip, Skiploom, Wooper, Quagsire, Murkrow, Pineco, Snubbull, Teddiursa, Remoraid, Octillery

Route 31

Available species: Caterpie, Metapod, Butterfree, Weedle, Kakuna, Beedrill, Pidgey, Pidgeotto, Ekans, Paras, Venonat, Poliwag, Poliwhirl, Bellsprout, Weepinbell, Gastly, Exeggcute, Goldeen, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Marill, Azumarill, Politoed, Yanma, Wooper, Quagsire, Murkrow, Pineco, Remoraid, Octillery

Route 32

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Nidoran♀, Nidorina, Nidoran♂, Nidorino, Zubat, Golbat, Oddish, Gloom, Tentacool, Tentacruel, Drowzee, Exeggcute, Magikarp, Gyarados, Totodile, Croconaw, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Hoppip, Skiploom, Wooper, Quagsire, Murkrow, Pineco, Qwilfish, Remoraid, Octillery, Phanpy

Route 33

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Spearow, Fearow, Ekans, Arbok, Oddish, Gloom, Paras, Mankey, Primeape, Bellsprout, Weepinbell, Farfetch'D, Drowzee, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Aipom, Yanma, Murkrow, Snubbull, Heracross

Route 34

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Pikachu, Jigglypuff, Meowth, Abra, Kadabra, Tentacool, Tentacruel, Magnemite, Shellder, Cloyster, Drowzee, Hypno, Krabby, Kingler, Exeggcute, Staryu, Starmie, Magikarp, Gyarados, Ditto, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Murkrow, Pineco, Snubbull, Granbull, Corsola

Route 35

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Meowth, Persian, Psyduck, Golduck, Growlithe, Poliwag, Poliwhirl, Abra, Kadabra, Magnemite, Drowzee, Hypno, Exeggcute, Goldeen, Electabuzz, Magikarp, Gyarados, Ditto, Totodile, Croconaw, Feraligatr, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Marill, Azumarill, Politoed, Hoppip, Skiploom, Jumpluff, Wooper, Quagsire, Murkrow, Pineco, Snubbull, Granbull, Remoraid, Octillery, Elekid

Route 36

Available species: Pidgey, Pidgeotto, Rattata, Pikachu, Vulpix, Oddish, Exeggcute, Lickitung, Sentret, Furret, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Pichu, Hoppip, Skiploom, Murkrow, Pineco, Houndour

Route 37

Available species: Weedle, Kakuna, Beedrill, Pidgey, Pidgeotto, Vulpix, Gastly, Haunter, Drowzee, Hypno, Exeggcute, Scyther, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Togepi, Sudowoodo, Murkrow, Pineco, Houndour, Houndoom, Stantler

Route 38

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Spearow, Fearow, Oddish, Gloom, Meowth, Persian, Ponyta, Doduo, Drowzee, Hypno, Exeggcute, Rhyhorn, Tauros, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Murkrow, Girafarig, Pineco, Miltank

Route 39

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Sandshrew, Sandslash, Nidoran♀, Nidorina, Nidoran♂, Nidorino, Oddish, Gloom, Meowth, Persian, Magnemite, Magneton, Drowzee, Hypno, Exeggcute, Tauros, Furret, Hoothoot, Noctowl, Ledyba, Ledian, Spinarak, Ariados, Sunkern, Murkrow, Girafarig, Pineco, Miltank

Route 4

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Spearow, Fearow, Ekans, Arbok, Sandshrew, Sandslash, Clefairy, Jigglypuff, Zubat, Golbat, Oddish, Gloom, Venonat, Machop, Goldeen, Seaking, Magikarp, Gyarados, Snorlax

Route 40

Available species: Spearow, Fearow, Mankey, Primeape, Tentacool, Tentacruel, Geodude, Graveler, Shellder, Cloyster, Krabby, Kingler, Staryu, Starmie, Scyther, Magikarp, Gyarados, Gligar, Shuckle, Heracross, Sneasel, Corsola, Mantine, Skarmory

Route 41

Available species: Spearow, Fearow, Mankey, Primeape, Tentacool, Tentacruel, Horsea, Seadra, Scyther, Magikarp, Gyarados, Chinchou, Lanturn, Gligar, Qwilfish, Heracross, Sneasel, Remoraid, Octillery, Mantine, Skarmory

Route 42

Available species: Pidgey, Pidgeotto, Spearow, Fearow, Ekans, Arbok, Mankey, Primeape, Poliwag, Poliwhirl, Goldeen, Seaking, Magikarp, Gyarados, Snorlax, Totodile, Croconaw, Feraligatr, Hoothoot, Noctowl, Marill, Azumarill, Politoed, Aipom, Wooper, Quagsire, Murkrow, Girafarig, Gligar, Heracross, Teddiursa, Ursaring, Remoraid, Octillery, Houndour, Houndoom, Phanpy, Donphan, Stantler

Route 43

Available species: Caterpie, Metapod, Butterfree, Pidgey, Pidgeotto, Venonat, Venomoth, Psyduck, Golduck, Mankey, Primeape, Poliwag, Poliwhirl, Exeggcute, Goldeen, Scyther, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Furret, Hoothoot, Noctowl, Politoed, Hoppip, Skiploom, Jumpluff, Aipom, Wooper, Quagsire, Murkrow, Pineco, Gligar, Scizor, Heracross, Teddiursa, Ursaring, Remoraid, Octillery, Houndour, Houndoom

Route 44

Available species: Pidgey, Pidgeotto, Spearow, Fearow, Psyduck, Golduck, Mankey, Primeape, Poliwag, Poliwhirl, Weepinbell, Lickitung, Tangela, Goldeen, Scyther, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Hoothoot, Noctowl, Politoed, Yanma, Wooper, Quagsire, Murkrow, Gligar, Heracross, Sneasel, Remoraid, Octillery, Skarmory, Stantler

Route 45

Available species: Spearow, Fearow, Clefairy, Mankey, Primeape, Poliwag, Poliwhirl, Machop, Machoke, Machamp, Geodude, Graveler, Cubone, Marowak, Scyther, Magikarp, Gyarados, Dratini, Dragonair, Totodile, Croconaw, Feraligatr, Politoed, Gligar, Heracross, Sneasel, Teddiursa, Ursaring, Skarmory, Houndour, Houndoom, Phanpy, Donphan, Stantler, Larvitar, Pupitar

Route 46

Available species: Rattata, Spearow, Fearow, Mankey, Primeape, Geodude, Cubone, Scyther, Cyndaquil, Quilava, Hoothoot, Hoppip, Gligar, Heracross, Sneasel, Teddiursa, Skarmory, Houndour, Phanpy, Tyrogue

Route 5

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Ekans, Arbok, Pikachu, Vulpix, Jigglypuff, Oddish, Gloom, Venonat, Meowth, Abra, Kadabra, Drowzee, Mr. Mime, Eevee

Route 6

Available species: Squirtle, Wartortle, Caterpie, Metapod, Butterfree, Weedle, Kakuna, Beedrill, Pidgey, Pidgeotto, Rattata, Raticate, Ekans, Arbok, Vulpix, Jigglypuff, Oddish, Gloom, Meowth, Psyduck, Golduck, Poliwag, Poliwhirl, Bellsprout, Weepinbell, Farfetch'D, Drowzee, Hypno, Tangela, Goldeen, Seaking, Magikarp, Gyarados, Vaporeon, Politoed

Route 7

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Pikachu, Meowth, Persian, Abra, Kadabra, Magnemite, Drowzee, Hypno, Voltorb, Koffing, Mr. Mime

Route 8

Available species: Pidgey, Pidgeotto, Rattata, Raticate, Ekans, Arbok, Nidoran♀, Nidorina, Nidoran♂, Nidorino, Vulpix, Jigglypuff, Venonat, Meowth, Persian, Abra, Kadabra, Gastly, Haunter, Ditto

Route 9

Available species: Charmander, Charmeleon, Squirtle, Wartortle, Rattata, Raticate, Spearow, Fearow, Sandshrew, Sandslash, Nidoran♀, Nidorina, Nidoran♂, Nidorino, Venonat, Diglett, Dugtrio, Psyduck, Golduck, Mankey, Primeape, Growlithe, Poliwag, Poliwhirl, Geodude, Graveler, Magnemite, Cubone, Marowak, Rhyhorn, Goldeen, Seaking, Magikarp, Gyarados, Vaporeon, Politoed

Ruins Of Alph Inner Chamber

Available species: Unown

Ruins Of Alph Outside

Available species: Poliwag, Poliwhirl, Goldeen, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Natu, Xatu, Politoed, Wooper, Quagsire, Remoraid, Octillery, Smeargle

Silver Cave Item Rooms

Available species: Parasect, Golem, Shellder, Marowak, Goldeen, Seaking, Magikarp, Gyarados, Crobat, Wooper, Quagsire, Misdreavus, Wobbuffet, Steelix

Silver Cave Outside

Available species: Spearow, Fearow, Clefable, Mankey, Primeape, Poliwag, Poliwhirl, Poliwrath, Machamp, Golem, Marowak, Tangela, Goldeen, Scyther, Magikarp, Gyarados, Snorlax, Totodile, Croconaw, Feraligatr, Politoed, Wooper, Quagsire, Gligar, Heracross, Sneasel, Ursaring, Remoraid, Octillery, Skarmory, Donphan, Stantler, Hitmontop

Silver Cave Room 1

Available species: Dugtrio, Machamp, Golem, Shellder, Marowak, Rhydon, Goldeen, Seaking, Magikarp, Gyarados, Crobat, Wooper, Quagsire, Misdreavus, Wobbuffet, Steelix, Ursaring, Larvitar, Pupitar

Silver Cave Room 2

Available species: Clefable, Parasect, Machamp, Shellder, Marowak, Rhydon, Goldeen, Seaking, Magikarp, Gyarados, Crobat, Wooper, Quagsire, Misdreavus, Larvitar, Pupitar

Silver Cave Room 3

Available species: Machamp, Golem, Shellder, Marowak, Rhydon, Goldeen, Seaking, Magikarp, Gyarados, Crobat, Wooper, Quagsire, Wobbuffet, Dunsparce, Steelix, Pupitar, Tyranitar

Slowpoke Well B1F

Available species: Zubat, Golbat, Geodude, Graveler, Slowpoke, Shellder, Krabby, Goldeen, Seaking, Magikarp, Gyarados, Wooper, Quagsire, Shuckle

Slowpoke Well B2F

Available species: Zubat, Golbat, Slowpoke, Slowbro, Shellder, Goldeen, Seaking, Magikarp, Gyarados, Wooper, Quagsire, Slowking

Sprout Tower 2F

Available species: Rattata, Raticate, Gastly

Sprout Tower 3F

Available species: Rattata, Raticate, Gastly

Tin Tower 2F

Available species: Raticate, Gastly, Haunter

Tin Tower 3F

Available species: Raticate, Gastly, Haunter

Tin Tower 4F

Available species: Raticate, Gastly, Haunter

Tin Tower 5F

Available species: Raticate, Gastly, Haunter

Tin Tower 6F

Available species: Raticate, Gastly, Haunter

Tin Tower 7F

Available species: Raticate, Gastly, Haunter

Tin Tower 8F

Available species: Raticate, Gastly, Haunter

Tin Tower 9F

Available species: Raticate, Gastly, Haunter

Tohjo Falls

Available species: Raticate, Zubat, Golbat, Paras, Parasect, Slowpoke, Slowbro, Shellder, Goldeen, Seaking, Magikarp, Gyarados, Wooper, Quagsire, Misdreavus, Teddiursa, Ursaring, Hitmontop

Union Cave 1F

Available species: Rattata, Raticate, Sandshrew, Zubat, Golbat, Paras, Diglett, Machop, Geodude, Shellder, Onix, Hitmonchan, Goldeen, Seaking, Magikarp, Gyarados, Wooper, Quagsire, Tyrogue

Union Cave B1F

Available species: Zubat, Golbat, Paras, Parasect, Diglett, Dugtrio, Geodude, Graveler, Shellder, Onix, Goldeen, Seaking, Magikarp, Gyarados, Wooper, Quagsire

Union Cave B2F

Available species: Zubat, Golbat, Paras, Parasect, Geodude, Graveler, Shellder, Cloyster, Onix, Krabby, Kingler, Horsea, Staryu, Starmie, Magikarp, Gyarados, Chinchou, Lanturn, Wooper, Quagsire, Steelix, Corsola

Vermilion City

Available species: Squirtle, Wartortle, Tentacool, Tentacruel, Shellder, Cloyster, Staryu, Starmie, Magikarp, Gyarados

Vermilion Port

Available species: Tentacool, Tentacruel, Horsea, Seadra, Magikarp, Gyarados, Chinchou, Lanturn, Qwilfish, Remoraid, Octillery

Victory Road

Available species: Sandslash, Golbat, Parasect, Dugtrio, Machoke, Machamp, Graveler, Golem, Onix, Marowak, Hitmonlee, Hitmonchan, Rhyhorn, Rhydon, Crobat, Steelix

Violet City

Available species: Spearow, Fearow, Mankey, Primeape, Poliwag, Poliwhirl, Goldeen, Scyther, Magikarp, Gyarados, Totodile, Croconaw, Feraligatr, Marill, Azumarill, Politoed, Wooper, Quagsire, Gligar, Heracross, Sneasel, Remoraid, Octillery, Skarmory

Viridian City

Available species: Squirtle, Wartortle, Psyduck, Poliwag, Poliwhirl, Goldeen, Seaking, Magikarp, Gyarados, Vaporeon, Politoed

Viridian Forest

Available species: Squirtle, Wartortle, Caterpie, Metapod, Butterfree, Weedle, Kakuna, Beedrill, Pidgey, Pidgeotto, Rattata, Raticate, Spearow, Fearow, Ekans, Arbok, Pikachu, Oddish, Gloom, Venonat, Meowth, Psyduck, Mankey, Poliwag, Poliwhirl, Bellsprout, Weepinbell, Drowzee, Exeggcute, Chansey, Tangela, Goldeen, Seaking, Pinsir, Magikarp, Gyarados, Eevee, Vaporeon, Politoed

Whirl Island B1F

Available species: Zubat, Golbat, Krabby, Kingler, Horsea, Seadra, Staryu, Starmie, Magikarp, Gyarados, Crobat, Remoraid, Octillery

Whirl Island B2F

Available species: Zubat, Golbat, Tentacruel, Slowpoke, Slowbro, Krabby, Kingler, Horsea, Seadra, Staryu, Starmie, Magikarp, Gyarados, Crobat, Slowking, Remoraid, Octillery

Whirl Island Cave

Available species: Zubat, Golbat, Slowpoke, Slowbro, Seel, Dewgong, Krabby, Kingler, Horsea, Seadra, Staryu, Starmie, Magikarp, Gyarados, Crobat, Slowking, Remoraid, Octillery

Whirl Island Lugia Chamber

Available species: Zubat, Golbat, Tentacruel, Slowpoke, Slowbro, Krabby, Kingler, Horsea, Seadra, Staryu, Starmie, Magikarp, Gyarados, Crobat, Slowking, Remoraid, Octillery

Whirl Island Ne

Available species: Zubat, Golbat, Slowpoke, Slowbro, Seel, Dewgong, Krabby, Kingler, Horsea, Seadra, Staryu, Starmie, Magikarp, Gyarados, Crobat, Slowking, Remoraid, Octillery

Whirl Island Nw

Available species: Zubat, Golbat, Slowpoke, Slowbro, Seel, Dewgong, Krabby, Kingler, Horsea, Seadra, Staryu, Starmie, Magikarp, Gyarados, Crobat, Slowking, Remoraid, Octillery

Whirl Island Se

Available species: Zubat, Golbat, Slowpoke, Slowbro, Seel, Dewgong, Krabby, Kingler, Horsea, Seadra, Staryu, Starmie, Magikarp, Gyarados, Crobat, Slowking, Remoraid, Octillery

Whirl Island Sw

Available species: Zubat, Golbat, Slowpoke, Slowbro, Seel, Dewgong, Krabby, Kingler, Horsea, Seadra, Staryu, Starmie, Magikarp, Gyarados, Lapras, Crobat, Slowking, Corsola, Remoraid, Octillery