Shellos
Water
Best attacking moveset: Mud Slap and Water Pulse, worth 4.6 damage per second against a neutral target.
Best moveset
Shellos can learn 6 combinations. Mud Slap with Water Pulse does the most damage per second of them, at level 40 with a perfect attack stat. Same-type moves get the 1.2× bonus, and the cycle assumes the charged attack fires the moment it has the energy.
Stats and moves come straight from the game's own data files. Every number on this page is a raid and gym number, not a PvP one.
Type matchups
| Fast attack | Type | Power | Duration | Energy |
|---|---|---|---|---|
| Hidden Power | Normal | 15 | 1.5s | +15 |
| Mud Slap | Ground | 19 | 1.5s | +13 |
| Charged attack | Type | Power | Duration | Energy |
|---|---|---|---|---|
| Body Slam | Normal | 50 | 2.0s | -33 |
| Mud Bomb | Ground | 60 | 2.5s | -33 |
| Water Pulse | Water | 65 | 3.0s | -50 |
Shiny
Yes. Shiny Shellos has been released. Players have found it from: wild, raid, research, photobomb.
Evolution family
Numbers
| Max CP | 1,284 at level 50, 1,136 at level 40 |
|---|---|
| Raid catch | 649 CP at level 20, or 811 if weather boosted (perfect IVs) |
| Lowest possible raid catch | 600 CP. Raid encounters can't roll below 10/10/10 |
| Base stats | 103 attack · 105 defense · 183 stamina |
What it costs
| Candy to evolve | 25 Candy |
|---|---|
| Second charged move | 50,000 Stardust and 50 Candy |
| Buddy distance | 3 km per Candy |
| Size | 0.3 m and 6.3 kg |
Best moveset against each type
Shellos does not have one best moveset, it has 4. Which one wins depends on what you are attacking, because a move only gets its bonus against something weak to it. Best against Rock, Fire, Poison.
| Against | Best moveset | DPS |
|---|---|---|
| Rock | Mud Slap + Water Pulse | 7.3 |
| Fire | Mud Slap + Water Pulse | 7.3 |
| Poison | Mud Slap + Mud Bomb | 7.2 |
| Steel | Mud Slap + Mud Bomb | 7.2 |
| Electric | Mud Slap + Mud Bomb | 7.2 |
| Ground | Mud Slap + Water Pulse | 6.0 |
| Normal | Mud Slap + Water Pulse | 4.6 |
| Fighting | Mud Slap + Water Pulse | 4.6 |
| Ghost | Mud Slap + Water Pulse | 4.6 |
| Psychic | Mud Slap + Water Pulse | 4.6 |
| Ice | Mud Slap + Water Pulse | 4.6 |
| Dark | Mud Slap + Water Pulse | 4.6 |
| Fairy | Mud Slap + Water Pulse | 4.6 |
| Water | Mud Slap + Mud Bomb | 4.5 |
| Dragon | Mud Slap + Mud Bomb | 4.5 |
| Hidden Power + Water Pulse | 4.3 | |
| Bug | Hidden Power + Water Pulse | 4.3 |
| Grass | Hidden Power + Body Slam | 4.1 |
Same maths as the headline number, run once per defending type: level 40, perfect attack IV, and the target's own type taken into account. Sorted by damage, so the top of this table is what Shellos is actually for.
Counters: what beats Shellos
| Attacker | Type | Moveset | DPS |
|---|---|---|---|
 Regieleki | Electric | Lock On + Thunder Cage Legacy | 57.5 |
 Zeraora | Electric | Volt Switch + Plasma Fists | 49.4 |
 Kartana | GrassSteel | Razor Leaf + Leaf Blade | 49.2 |
 Zekrom | DragonElectric | Charge Beam + Fusion Bolt Legacy | 48.2 |
 Xurkitree | Electric | Thunder Shock + Discharge | 47.6 |
 Roserade | GrassPoison | Magical Leaf + Leaf Storm | 41.9 |
 Eternatus | PoisonDragon | Poison Jab + Dynamax Cannon Legacy | 41.8 |
 Deoxys | Psychic | Charge Beam + Thunderbolt | 41.5 |
 Electivire | Electric | Thunder Shock + Wild Charge | 41.2 |
 Zarude | DarkGrass | Vine Whip + Power Whip | 41.1 |
Ranked by damage per second against Shellos's own defense, at level 40 with a 15 attack IV, one per evolution family.