#089 - Muk #090 - Shellder #091 - Cloyster
Diamond/Pearl
Pokemon #090 - Shellder Pokemon #090 - Shellder (Shiny)
Male and Female
Platinum
Pokemon #090 - Shellder Pokemon #090 - Shellder (Shiny)
Male and Female
HeartGold/SoulSilver
Pokemon #090 - Shellder Pokemon #090 - Shellder (Shiny)
Male and Female
Black/White/Black 2/White 2
Pokemon #090 - Shellder Pokemon #090 - Shellder (Shiny)
Male and Female
X/Y/Omega Ruby/Alpha Sapphire
Pokemon #090 - Shellder Pokemon #090 - Shellder (Shiny)
Male and Female
Sun/Moon/Ultra Sun/Ultra Moon
Pokemon #090 - Shellder Pokemon #090 - Shellder (Shiny)
Male and Female
Sword/Shield/Pokemon Legends: Arceus
Pokemon #090 - Shellder Pokemon #090 - Shellder (Shiny)
Male and Female
 
Pokemon Information
Generation: 1 (FireRed/LeafGreen) Gender(s) Available: Male/Female
Generations:1st - 7th
Type(s):Water
Evolution Chain
Pokemon #090 - Shellder Pokemon #091 - Cloyster
 
Pokedex Entries
Diamond It swims backward by opening and closing its two shells. Its large tongue is always kept hanging out.
Pearl
Platinum
HeartGold It swims facing backward by opening and closing its two-piece shell. It is surprisingly fast.
SoulSilver Grains of sand trapped in its shells mix with its body fluids to form beautiful pearls.
Black It swims backward by opening and closing its two shells. Its large tongue is always kept hanging out.
White
Black 2
White 2
X Its hard shell repels any kind of attack. It is vulnerable only when its shell is open.
Y Clamping on to an opponent reveals its vulnerable parts, so it uses this move only as a last resort.