Front“By closing its shell, it hides its very own starry sky.”
About Shelly
Conceals itself among beach shells using its soft appendages to hold shells in place. Remains sealed during daylight.
Twined passiveTidal Heart — While in water terrain or after absorbing water, increases Water damage by 20% for 10s.
Natures
A species only rolls from its own list, so any nature not shown here cannot be obtained on Shelly. What each nature means.
Shelly base stats
HP
75
#77 of 86
Attack
90
#53 of 86
Defense
56
#83 of 86
Magic attack
90
#53 of 86
Magic defense
56
#79 of 86
Break
39
#84 of 86
EP regen
66
#80 of 86
Shelly evolution
Rarity odds
Sparkling
1 in 20,000
Umbral
1 in 3,000
Run speed
4.2
Talent odds
Shelly's team and gear
Pairs withPiopiota (SUP)
Wants to holdFerocious Fang
Every recommended pairing is on one page.
Held items and runes
Where to find Shelly

Spawn conditions
| Region | Weather | Time | Level | Points |
|---|---|---|---|---|
| Echoback Landing | Any weather | Any time | 34–40 | 35 |
| Echoback Landing | Any weather | 17:00 to 06:00 | 34–40 | 2 |
| Echoback Landing | Any weather | 20:00 to 06:00 | 34–40 | 1 |
Cross every creature against weather and the clock in the spawn finder.
How to catch Shelly
Base catch rate 44% a throw with the standard Aniipod.
Staggering it first multiplies that by 1.5, and throwing from behind multiplies it by 1.5.
An Alpha version exists, Alpha Sherro. An Alpha is only catchable after it is defeated.
Run the numbers at any HP and level in the catch rate calculator.
Regions
Skills
Forms, twining and eggs
FormsBasic Form.
Basic FormHow forms work.
Photography1 photo objective name Shelly: Moonbathing. All objectives.
Maxing itResonance eats Shelly Dewdrop Crystal and Wave Stone. The full bill.
Traits and how to unlock them
- Where’s Shelly50 research points
Break Shelly’s disguise
With its shell closed, Shelly looks just like any other shell on the beach. Good luck finding it!
- Moonbathing50 research points
Take a photo of Shelly bathing in the moonlight at night
On clear nights, Shelly loves lying on its shell, soaking up moonlight and energy. It is at its most relaxed.
Research objectives
- Defeat this Aniimo5 / 10 / 20 / 40
- Defeat this Aniimo using a Lightning skill1 / 2 / 5 / 10
- Catch this Aniimo10 / 50 / 100 / 1000
- Complete the evolution of this Aniimo1 / 2 / 4 / 8
Research rank is what unlocks accessory slots. How the Aniilog works.
Weak against and strong against
What Shelly is weak against
Shelly takes 1.6x damage from Ice, Lightning, Grass.
Ice Aniimo you can use against Shelly: Malevsera, Glacy, Geoclaw, Glynsera.
Lightning Aniimo you can use against Shelly: Fulmintis, Little Lightning Chirp, Thunderfeather Sparrow, Blazen.
Grass Aniimo you can use against Shelly: Irisalis, Butterfly Wing Sprite, Forest Cloak Butterfly, Leaf Hat Firefly.
What Shelly is strong against
Shelly deals 1.6x to Fire, Earth.
Fire Aniimo you can use against Shelly: Scorchhowl, Inferlupa, Flamerion, Squashel.
Earth Aniimo you can use against Shelly: Coraliz, Shrubclaw, Waleetle, Bouldus.
Shelly also resists Water, Fire, Earth, Dark, taking 0.625x.
Frequently asked questions about Shelly
What is Shelly weak against?
Shelly is weak against Ice, Lightning, Grass. Those elements deal 1.6x damage to it.
What is Shelly strong against?
Shelly is strong against Fire, Earth, dealing 1.6x damage to them.
Where is Shelly found?
Shelly is found in Echoback Landing at level 34 to 40; Echoback Landing at level 34 to 40, between 17:00 to 06:00; Echoback Landing at level 34 to 40, between 20:00 to 06:00.
What is the catch rate for Shelly?
Shelly has a base catch rate of 44% a throw with a standard Aniipod. Staggering it multiplies that by 1.5 and throwing from behind by 1.5; catching it asleep, eating or baited doubles it.
What does Shelly evolve into?
Shelly evolves into Sheldon.
What held item is best for Shelly?
Shelly should carry Ferocious Fang, with ATK runes.
Is there an Alpha Shelly?
Yes, Shelly has an Alpha form, Alpha Sherro. An Alpha is 2.4 times the size and can only be caught after it is defeated.


