Shellder in Pokémon GO

Type	Water
Pokédex number	#90
Base Attack / Defense / Stamina	116 / 134 / 102
Max CP, level 40 / 50 / 51	1,080 / 1,221 / 1,235
Max HP, level 50	98
Buddy distance	3 km per Candy
Second Charged Attack	50,000 Stardust and 50 Candy
Height / weight	0.3 m / 4 kg

Shellder evolution

Pokémon GO has no evolution levels: a Pokémon evolves when you spend Candy on it (sometimes with an item or a task), at any level.

Shellder evolves into Cloyster for 50 Shellder Candy.

Family: Shellder · Cloyster

Shellder CP by level

Combat Power with perfect stats (15/15/15) and with 10/10/10. Players find that raid, egg and research catches never have a stat below 10; that floor is their measurement, not a number in the game data.

Level	CP 15/15/15	CP 10/10/10	HP 15/15/15	Note
15	463	428	60	research rewards are at most level 15 (game master)
20	617	571	69	eggs hatch at most level 20 (game master); raid catches are level 20 (players’ measurement)
25	771	713	78	raid catches in weather that boosts the boss’s type are level 25 (players’ measurement)
30	926	856	85	wild Pokémon are at most level 30 (game master)
35	1,003	928	89
40	1,080	999	92
45	1,149	1,063	95
50	1,221	1,129	98
51	1,235	1,143	98	best buddy bonus on a level 50 Pokémon

Shellder best moveset

Ranked by damage per second over one cycle of fast attacks and one charged attack. Assumptions: Shellder at level 40 with 15/15/15, a target with 180 Defense taking neutral damage, no weather boost, and the energy Shellder gains from being hit left out.

Fast attack	Charged attack	Damage per second
Tackle	Razor Shell	6.6
Ice Shard	Razor Shell	5.6
Tackle	Bubble Beam	5.5
Tackle	Water Pulse	5.4
Ice Shard	Water Pulse	4.8

Fast attacks

Move	Type	Power	Energy	Time	Power / s
Ice Shard	Ice	10	10	1 s	10.0
Tackle	Normal	5	5	0.5 s	10.0

Charged attacks

Move	Type	Power	Energy cost	Time	Power / s
Bubble Beam	Water	45	33	2 s	22.5	same type, ×1.2
Icy Wind	Ice	65	33	3.5 s	18.6
Razor Shell	Water	55	33	1.5 s	36.7	same type, ×1.2
Water Pulse	Water	65	50	3 s	21.7	same type, ×1.2

Shellder weaknesses and resistances

Damage multipliers for each attack type against Water. Pokémon GO uses ×1.6 for super effective and ×0.625 for not very effective, multiplied for two types.

Attack type	Damage
Electric	×1.6
Grass	×1.6
Fire	×0.625
Ice	×0.625
Steel	×0.625
Water	×0.625

Shellder CP calculator

Level Attack IV Defense IV HP IV

CP 1,080 · HP 92

← #89 Muk  ·  #91 Cloyster →  ·  All Pokémon in Pokémon GO

Sources: stats, moves, evolution costs and the CP multiplier for each level are from the Pokémon GO game master as published by PokeMiners (commit 8e227be, data of 28 August 2026). Which Pokémon are in the game: pogoapi.net (list of 31 January 2026). CP = ⌊(Attack+IV) × √(Defense+IV) × √(Stamina+IV) × CPM² / 10⌋, checked against pogoapi.net’s max CP table for 888 Pokémon. Raid catch levels and the 10/10/10 floor are players’ measurements; they are not in the game data. Pokémon and Pokémon GO are trademarks of their owners; this page is not affiliated with or endorsed by Niantic, Scopely, Nintendo, Creatures, GAME FREAK or The Pokémon Company.