#73.112
Tentacruel/Rhydon
73.112
#112.73
Rhydon/Tentacruel
112.73

88(-8)
HP
96(+8)
110(+20)
ATK
90(-20)
101(+18)
DEF
83(-18)
68(+12)
SP.ATK
56(-12)
95(+25)
SP.DEF
70(-25)
60(-20)
SPEED
80(+20)
522(+47)
TOTAL
475(-47)

Regular
Reg.
Lightning Rod: Absorbs Electric-type moves to gain a SP.ATK stage.
Rock Head: Doesn't take recoil damage.
Clear Body: Can't have stats lowered by other Pokémon.
Liquid Ooze: Foe's HP draining moves hurts the attacker instead of healing them.
Hidden
HA
Reckless: Recoil and crash moves have 1.2x power.
Rain Dish: During rainy weather, restore 1/16th max HP each turn.

x4
Grass
-
x2
ElectricFightingGround
GroundIcePsychicWater
x1
BugDarkDragonFairyGhostPsychicRockSteelWater
DarkDragonFireFlyingGhostGrassNormalSteel
x0.5
FlyingIceNormalPoison
BugFairyFightingRock
x0.25
Fire
Poison
x0
-
Electric

#72
Tentacool
72
Lv.30
#73
Tentacruel
73
#72
Tentacool
72
Lv.30
#73
Tentacruel
73
#111
Rhyhorn
111
Lv.42
#112
Rhydon
112
Protector
or Lv.55
#265
Rhyperior
265
#111
Rhyhorn
111
Lv.42
#112
Rhydon
112
Protector
or Lv.55
#265
Rhyperior
265

Route 4, 10, 12, 17, 18, 19, 20, 21, 23, 26, 27, 32, 34, 42, Bond Bridge, Boon Island, Brine Road, Celadon Sewers, Cerulean City, Chrono Island, Cinnabar Island, Crimson City, Kin Island, Kindle Road, Knot Island, Offshore Road, Resort Gorgeous, Treasure Beach, Vermillion City, Water Labyrinth
Pokemon: 72
Route 4, 10, 12, 17, 18, 19, 20, 21, 23, 26, 27, 32, 34, 42, Bond Bridge, Boon Island, Cerulean City, Chrono Island, Cinnabar Island, Crimson City, Kin Island, Kindle Road, Knot Island, Offshore Road, Resort Gorgeous, Treasure Beach, Vermillion City, Water Labyrinth, Evolve Tentacool (Lv30)
Pokemon: 73
Safari Zone A1, A3, A5, Victory Road
Pokemon: 111
Cerulean Cave, Evolve Rhyhorn (Lv42)
Pokemon: 112
Evolve Rhydon (Lv55 or Protector)
Pokemon: 265