| Catch Rate | 145 |
| Friendship | 50 |
| Gender | 75% Male 25% Female |
| Weight | 17.6 lbs. |
| Base Exp | 101 |
| Growth Rate | Medium Slow |
| Egg Group | Monster, Water 1 |
| Egg Cycles | 11 |
| HP | 90 | |
|---|---|---|
| Attack | 45 | |
| Defense | 85 | |
| Sp. Atk | 75 | |
| Sp. Def | 75 | |
| Speed | 55 | |
| Total | 425 |
Hum Slime does not evolve.
| Surf
| |
|---|---|
| Route | Rarity |
| Seafoam Islands B3f | 9% |
| Seafoam Islands B4f | 9% |
| Cerulean Cave 1f | 5% |
| Cerulean Cave B1f | 5% |
| Fishing
| |
|---|---|
| Route | Rod |
| Pallet Town | Super |
| Route 22 | Good,Super |
| Ssanne Exterior | Super |
| Route 10 | Super |
| Route 14 East | Super |
| 5ds Nuts Cave F2 | Super |
| Route 15 | Super |
| Route 19 | Good |
| Route 23 | Good,Super |
| Two Island East | Super |
| Four Island | Super |
| Five Island | Super |
| Three Island Bond Bridge | Super |
| Five Island Resort Gorgeous | Super |
| Five Island Meadow | Super |
| Four Island Icefall Cave Entrance | Good,Super |
| Lvl. | Move | Type | Cat. | Power | Acc. |
|---|---|---|---|---|---|
| 1 | Umi | WATER | — | — | |
| 1 | Recover | NORMAL | — | — | |
| 1 | Bide | NORMAL | — | — | |
| 1 | Bubble | WATER |
|
40 | 100 |
| 1 | Refresh | NORMAL | — | — | |
| 7 | Acid | POISON |
|
40 | 100 |
| 10 | Bide | NORMAL | — | — | |
| 14 | Conversion | NORMAL | — | — | |
| 19 | Bubble Beam | WATER |
|
65 | 100 |
| 22 | Umi | WATER | — | — | |
| 24 | Sludge | POISON |
|
65 | 100 |
| 26 | Aqua Ring | WATER | — | — | |
| 28 | Recover | NORMAL | — | — | |
| 32 | Aurora Beam | ICE |
|
65 | 100 |
| 40 | Mirror Force | PSYCHIC |
|
— | 100 |
| 48 | Ice Beam | ICE |
|
90 | 100 |
| 51 | Hydro Pump | WATER |
|
110 | 80 |
| 60 | Sludge Bomb | POISON |
|
90 | 100 |