NAME: EKANS
NUMBER: 023
TYPE: Poison
HEIGHT: 6' 7"
WEIGHT: 15 lbs.
Red/Blue Description: "Moves silently and stealthly. Eats the eggs of birds, such as PIDGEY and SPEAROW, whole."
Gold Description: "It can freely detach its jaw to swallow large prey whole. It can become too heavy to move, however."
| Yellow Level | Red/Blue Level | Gold/Silver Level | Attack | Type | Can't catch | -- | -- | Wrap | Normal |
| Can't catch | -- | -- | Leer | Normal |
| Can't catch | 10 | 9 | Poison Sting | Poison |
| Can't catch | 17 | 15 | Bite | Normal/Dark |
| Can't catch | 24 | 23 | Glare | Normal |
| Can't catch | 31 | 29 | Screech | Normal |
| Can't catch | 38 | 37 | Acid | Poison |
| N/A | N/A | 43 | Haze | Ice |
NAME: ARBOK
NUMBER: 024
TYPE: Poison
HEIGHT: 11' 6"
WEIGHT: 143 lbs.
Red/Blue Description: "It is rumored that the ferocious warning markings on its belly differ from area to area."
Gold Description: "Translixing prey with the face-like pattern on its belly, it binds and poisons the frightened victim."
| Yellow Level | Red/Blue Level | Gold/Silver Level | Attack | Type |
| Can't catch | -- | -- | Wrap | Normal |
| Can't catch | -- | -- | Leer | Normal |
| Can't catch | -- | 9 | Poison Sting | Poison |
| Can't catch | -- | 15 | Bite | Normal/Dark |
| Can't catch | 27 | 25 | Glare | Normal |
| Can't catch | 36 | 33 | Screech | Normal |
| Can't catch | 47 | 43 | Acid | Poison |
| N/A | N/A | 51 | Haze | Ice |
