While most trainers evolve Croagunk into Toxicroak immediately, the unevolved form has a niche with Eviolite boosting its defenses. Watch the Psychic matchup though — quadruple damage means one hit can end it. Watch the Psychic matchup though — quadruple damage means one hit can end it.
Croagunk's stats barely vary. 0 sit in respectable range with no real gaps. It's a blank slate for EV investment. Worth 1 Attack EV, medium-fast 1M XP curve to max.
A poison wielder with a dastardly personality. Despite such qualities, this species is afforded a measure of popularity due to its peculiar cry and comical features.
Croagunk Weakness
AvgPsychic, Ground, and Flying-type moves hit Croagunk for super-effective damage. Psychic hits land at 4x, so they're the biggest threat. 6 resistances give it solid defensive coverage on top of that. Dry Skin grants an additional Water immunity, reshaping the matchup chart.
Croagunk evolves into Toxicroak. It's a two-stage chain with the method shown below. A decent partner pool for breeding via one egg group. Eggs are quick to hatch. The evolved forms gain up to 190 total stats over Croagunk.
How to Evolve
Best Build
Legends: Arceus uses different battle mechanics.
Competitive build content is not applicable for this game. Select a main series game for builds.
Croagunk's movepool balances level-up moves with TM options. Consistent STAB comes from Close Combat and Sludge Bomb, and coverage across 7 types keeps opponents from switching in for free. No major gaps here.
Level-Up Moves
TM Moves
Egg Moves
Tutor Moves
Croagunk appears at decent spawn rates across 4 spots in mid-game routes. Sort by Best below if you want the highest rate, or Earliest if you want the quickest access point in your playthrough.
Best Locations
Walking encounters at walking across 4 spots for Croagunk. Sorted by progression so you can see what's reachable at your current point in the game.
Croagunk isn't fully evolved, so it's not built for competitive play. You'll want to evolve it into Toxicroak to unlock its full potential. At 300 BST, it's a stepping stone rather than a team anchor.
Croagunk evolves into Toxicroak at level 37. Croagunk is the base form of this evolutionary line.
Run Dry Skin on Croagunk. It's the ability that defines how you build around it and the main reason it holds a competitive niche. Croagunk also gets Anticipation and Poison Touch, but they don't compare.
Croagunk fills the balanced role. It's leaning toward the physical side (base 61 Attack). Base 50 Speed is low. Priority moves or Trick Room are the way to go. And it's fragile — can't afford to take many hits.
Croagunk appears in 13 games, including Platinum, HeartGold & SoulSilver, and Diamond & Pearl.
Croagunk first appeared in Diamond & Pearl and has been available in 13 games across 6 generations. Obtainable through catching or hatching as a base form in most titles where it appears.
- Gen IY
Yellow - Gen IRB

Red & Blue - Gen IIGS

Gold & Silver - Gen IIC
Crystal - Gen IIIRS

Ruby & Sapphire - Gen IIIFRLG

FireRed & LeafGreen - Gen IIIE
Emerald - Gen IVPt
Platinum - Gen IVHGSS

HeartGold & SoulSilver - Gen IVDPDebut

Diamond & Pearl - Gen VBW

Black & White - Gen VB2W2

Black 2 & White 2 - Gen VIXY

X & Y - Gen VIORAS

Omega Ruby & Alpha Sapphire - Gen VIIUSUM

Ultra Sun & Ultra Moon - Gen VIISM

Sun & Moon - Gen VIILGPE

Let's Go Pikachu & Eevee - Gen VIIISwSh

Sword & Shield - Gen VIIIPLA
Legends: Arceus - Gen VIIIBDSP

Brilliant Diamond & Shining Pearl - Gen IXSV

Scarlet & Violet - Gen IXLZA
Legends: Z-A
