| Name | Leviathan | 
|---|---|
| Dex | 259 | 
| Type | |
| Abilities | 1. 
                        Primal Sea Soul-Heart (hidden ability) | 

| Catch Rate | 25 | 
| Friendship | 50 | 
| Gender | 50% Male 50% Female | 
| Weight | 1763.7 lbs. | 
| Base Exp | 200 | 
| Growth Rate | Slow | 
| Egg Group | Monster, Water 3 | 
| Egg Cycles | 21 | 
| HP | 100 | |
|---|---|---|
| Attack | 105 | |
| Defense | 80 | |
| Sp. Atk | 125 | |
| Sp. Def | 80 | |
| Speed | 90 | |
| Total | 580 | 
Leviathan does not evolve.
| Surf | |
|---|---|
| Route | Rarity | 
| Seven Island Trainer Tower | 5% | 
| Seven Island Tanoby Ruins | 1% | 
| Fishing | |
|---|---|
| Route | Rod | 
| Route 20 | Super | 
| Cinnabar Island | Super | 
| Seven Island Trainer Tower | Super | 
| Seven Island Tanoby Ruins | Super | 
| Lvl. | Move | Type | Cat. | Power | Acc. | 
|---|---|---|---|---|---|
| 1 | Leer | NORMAL | — | 100 | |
| 1 | Water Gun | WATER |   | 40 | 100 | 
| 1 | Haze | ICE | — | — | |
| 10 | Twister | DRAGON |   | 40 | 100 | 
| 15 | Water Pulse | WATER |   | 60 | 100 | 
| 20 | Dragon Rage | DRAGON |   | — | 100 | 
| 25 | Agility | PSYCHIC | — | — | |
| 30 | DragonBreath | DRAGON |   | 60 | 100 | 
| 36 | Aqua Tail | WATER | 90 | 90 | |
| 42 | Ice Beam | ICE |   | 90 | 100 | 
| 47 | Heavy Storm | FLYING |   | 80 | 100 | 
| 50 | Dragon Claw | DRAGON | 80 | 100 | |
| 60 | Dragon Dance | DRAGON | — | — | |
| 65 | Origin Pulse | WATER |   | 110 | 85 | 
| 75 | Outrage | DRAGON | 120 | 100 |