Sea Route 21

Kanto

HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen Yellow Yellow Red Red Blue Blue
Walking in tall grass or a cave
Pidgey
55%
L11–17
30%
L21–23
30%
L21–23
Pidgeotto
10%
L15–19
15%
L30–32
15%
L30–32
Rattata
30%
L13–15
30%
L21–23
30%
L21–23
Raticate
5%
L15
15%
L30
15%
L30
Tangela
50%
L20–30
In the morning
+5%
L30
At night
+5%
L30
Radio off
+40%
L25–35
50%
L20–30
In the morning
+5%
L30
At night
+5%
L30
Radio off
+40%
L25–35
100%
L17–28
100%
L17–28
10%
L28–32
10%
L28–32
Mr. Mime
5%
L28
During the day
+5%
L30
5%
L28
During the day
+5%
L30
Linoone
Hoenn radio
+20%
L35
Hoenn radio
+20%
L35
Whismur
Hoenn radio
+20%
L25–30
Hoenn radio
+20%
L25–30
Bidoof
Sinnoh radio
+20%
L35
Sinnoh radio
+20%
L35
Buizel
Sinnoh radio
+20%
L25–30
Sinnoh radio
+20%
L25–30
HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen Yellow Yellow Red Red Blue Blue
Fishing with an Old Rod
Tentacool
15%
L10
15%
L10
Magikarp
85%
L10
85%
L10
100%
L5
100%
L5
100%
L5
100%
L5
100%
L5
HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen Yellow Yellow Red Red Blue Blue
Fishing with a Good Rod
Poliwag
50%
L10
50%
L10
50%
L10
Tentacool
30%
L20
30%
L20
Shellder
10%
L20
10%
L20
Krabby
20%
L5–15
60%
L5–15
Horsea
60%
L5–15
20%
L5–15
Goldeen
50%
L10
50%
L10
50%
L10
Magikarp
40%
L20
40%
L20
20%
L5–15
20%
L5–15
Chinchou
20%
L20
20%
L20
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Fishing with a Super Rod
Psyduck
1%
L25–35
Tentacool
60%
L15–30
Tentacruel
20%
L40
20%
L40
10%
L30
Slowpoke
1%
L25–35
Shellder
30%
L40
30%
L40
25%
L15
25%
L15
Krabby
80%
L15–25
Kingler
4%
L25–35
Horsea
80%
L15–25
25%
L15
25%
L15
Seadra
4%
L25–35
Goldeen
25%
L15
25%
L15
Staryu
30%
L20
25%
L15
25%
L15
Gyarados
15%
L15–25
15%
L15–25
Chinchou
40%
L40
40%
L40
Lanturn
10%
L40
10%
L40
HeartGold HeartGold SoulSilver SoulSilver FireRed FireRed LeafGreen LeafGreen Yellow Yellow Red Red Blue Blue
Surfing
Tentacool
90%
L30–35
90%
L30–35
100%
L5–40
100%
L5–40
100%
L5–40
100%
L5–40
100%
L5–40
Tentacruel
10%
L35
10%
L35