Nidoran♂

#98 in the HeartGold & SoulSilver Pokédex • Poison Pin Pokémon

Normal

Shiny

Nidoqueen Nidorino

Pokédex entries

HeartGold

It is small, but its horn is filled with poison. It charges then stabs with the horn to inject poison.

SoulSilver

It raises its big ears to check its surroundings. It will strike first if it senses any danger.

Details

Type

Weak to

2×

2×

Resists

0.5×

0.5×

0.5×

Growth

EV yield, catch rate, and experience details for this Pokémon.

Pokédexes	Updated Johto #98
EV yield	1 Atk
Catch rate	235
Base Exp.	60

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.

Egg groups	Monster Field
Gender	100% male 0% female
Egg cycles	20 (5,355 nominal steps) Normal-day estimate. Hatch-check timing, certain calendar dates, and Flame Body or Magma Armor can change the steps needed.

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Nidoran♂ #98	Level 16	Nidorino #99
Nidorino #99	Use Moon Stone	Nidoking #100

Encounters

Known encounter locations for this Pokémon in this game.

HeartGold

Location	Method	Level	Chance	Conditions
Route 35	Walking in tall grass or a cave	12	20%	Not during a swarm
Route 35	Walking in tall grass or a cave	12	10%	Radio off
Route 36	Walking in tall grass or a cave	12	20%	-
Route 36	Walking in tall grass or a cave	12	10%	Radio off
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	15	10%	Safari base slot 2: present only when at most 1 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., In the morning
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	16	10%	Safari base slot 5: present only when at most 4 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., In the morning
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	17	10%	Safari base slot 8: present only when at most 7 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., In the morning
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	15	10%	Safari base slot 2: present only when at most 1 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., During the day
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	16	10%	Safari base slot 5: present only when at most 4 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., During the day
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	17	10%	Safari base slot 8: present only when at most 7 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., During the day
Pokéwalker Pokéwalker: Refreshing Field	Pokéwalker (selected candidate group)	5	-	Course unlocked from the start. Group B candidate; one of the two candidates in each group is selected for the outing. At least 500 daily steps (25% fewer with an advantageous type);, species and group encounter probabilities depend on selection and steps. Fixed moves: leer, peck.

SoulSilver

Location	Method	Level	Chance	Conditions
Route 35	Walking in tall grass or a cave	12	20%	Not during a swarm
Route 35	Walking in tall grass or a cave	12	10%	Radio off
Route 36	Walking in tall grass or a cave	12	20%	-
Route 36	Walking in tall grass or a cave	12	10%	Radio off, During the day
Route 36	Walking in tall grass or a cave	12	10%	Radio off, At night
Route 36	Walking in tall grass or a cave	13	10%	Radio off, In the morning
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	15	10%	Safari base slot 2: present only when at most 1 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., In the morning
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	16	10%	Safari base slot 5: present only when at most 4 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., In the morning
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	17	10%	Safari base slot 8: present only when at most 7 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., In the morning
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	15	10%	Safari base slot 2: present only when at most 1 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., During the day
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	16	10%	Safari base slot 5: present only when at most 4 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., During the day
Johto Safari Zone Safari Zone Savannah	Walking in tall grass or a cave	17	10%	Safari base slot 8: present only when at most 7 block-based bonus encounters for this area/method are eligible. Each retained native slot has 10% selection probability., During the day
Pokéwalker Pokéwalker: Refreshing Field	Pokéwalker (selected candidate group)	5	-	Course unlocked from the start. Group B candidate; one of the two candidates in each group is selected for the outing. At least 500 daily steps (25% fewer with an advantageous type);, species and group encounter probabilities depend on selection and steps. Fixed moves: leer, peck.

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class				Description
Start	Leer	Status	-	100	30	The foe is given an intimidating leer with sharp eyes. The target’s Defense stat is reduced.
Start	Peck	Physical	35	100	35	The foe is jabbed with a sharply pointed beak or horn.
7	Focus Energy	Status	-	-	30	The user takes a deep breath and focuses to raise the critical-hit ratio of its attacks.
9	Double Kick	Physical	30	100	30	The foe is quickly kicked twice in succession using both feet.
13	Poison Sting	Physical	15	100	35	The foe is stabbed with a poisonous barb of some sort. It may also poison the target.
19	Fury Attack	Physical	15	85	20	The foe is jabbed repeatedly with a horn or beak two to five times in a row.
21	Horn Attack	Physical	65	100	25	The foe is jabbed with a sharply pointed horn to inflict damage.
25	Helping Hand	Status	-	-	20	A move that boosts the power of the ally’s attack in a Double Battle.
31	Toxic Spikes	Status	-	-	20	The user lays a trap of poison spikes at the foe’s feet. They poison foes that switch into battle.
33	Flatter	Status	-	100	15	Flattery is used to confuse the foe. However, it also raises the target’s Sp. Atk stat.
37	Poison Jab	Physical	80	100	20	The foe is stabbed with a tentacle or arm steeped in poison. It may also poison the foe.
43	Captivate	Status	-	100	20	If it is the opposite gender of the user, the foe is charmed into sharply lowering its Sp. Atk stat.
45	Horn Drill	Physical	-	30	5	The foe is stabbed with a horn rotating like a drill. The foe instantly faints if it hits.

Machines

Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon HeartGold and SoulSilver.

			Class				Description
TM03	Water Pulse		Special	60	100	20	The user attacks the foe with a pulsing blast of water. It may also confuse the foe.
TM06	Toxic		Status	-	85	10	A move that leaves the target badly poisoned. Its poison damage worsens every turn.
TM10	Hidden Power	Variable	Special	30–70	100	15	A unique attack that varies in type and intensity depending on the Pokémon using it.
TM11	Sunny Day		Status	-	-	5	The user intensifies the sun for five turns, powering up Fire-type moves.
TM13	Ice Beam		Special	95	100	10	The foe is struck with an icy-cold beam of energy. It may also freeze the target solid.
TM14	Blizzard		Special	120	70	5	A howling blizzard is summoned to strike the foe. It may also freeze the target solid.
TM17	Protect		Status	-	-	10	It enables the user to evade all attacks. Its chance of failing rises if it is used in succession.
TM18	Rain Dance		Status	-	-	5	The user summons a heavy rain that falls for five turns, powering up Water- type moves.
TM21	Frustration		Physical	-	100	20	A full-power attack that grows more powerful the less the user likes its Trainer.
TM23	Iron Tail		Physical	100	75	15	The foe is slammed with a steel-hard tail. It may also lower the target’s Defense stat.
TM24	Thunderbolt		Special	95	100	15	A strong electric blast is loosed at the foe. It may also leave the foe paralyzed.
TM25	Thunder		Special	120	70	10	A wicked thunderbolt is dropped on the foe to inflict damage. It may also leave the target paralyzed.
TM27	Return		Physical	-	100	20	A full-power attack that grows more powerful the more the user likes its Trainer.
TM28	Dig		Physical	80	100	10	The user burrows, then attacks on the second turn. It can also be used to exit dungeons.
TM32	Double Team		Status	-	-	15	By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.
TM34	Shock Wave		Special	60	-	20	The user strikes the foe with a quick jolt of electricity. This attack cannot be evaded.
TM36	Sludge Bomb		Special	90	100	10	The user attacks by hurling filthy sludge at the foe. It may also poison the target.
TM42	Facade		Physical	70	100	20	An attack move that doubles its power if the user is poisoned, paralyzed, or has a burn.
TM43	Secret Power		Physical	70	100	20	The user attacks with a secret power. Its added effects vary depending on the user’s environment.
TM44	Rest		Status	-	-	10	The user goes to sleep for two turns. It fully restores the user’s HP and heals any status problem.
TM45	Attract		Status	-	100	15	If it is the opposite gender of the user, the foe becomes infatuated and less likely to attack.
TM46	Thief		Physical	40	100	10	The user attacks and steals the foe’s held item simultaneously. It can’t steal if the user holds an item.
TM58	Endure		Status	-	-	10	The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.
TM65	Shadow Claw		Physical	70	100	15	The user slashes with a sharp claw made from shadows. It has a high critical-hit ratio.
TM78	Captivate		Status	-	100	20	If it is the opposite gender of the user, the foe is charmed into sharply lowering its Sp. Atk stat.
TM82	Sleep Talk		Status	-	-	10	While it is asleep, the user randomly uses one of the moves it knows.
TM83	Natural Gift		Physical	-	100	15	The user draws power to attack by using its held Berry. The Berry determines its type and power.
TM84	Poison Jab		Physical	80	100	20	The foe is stabbed with a tentacle or arm steeped in poison. It may also poison the foe.
TM87	Swagger		Status	-	90	15	The user enrages the foe into confusion. However, it also sharply raises the foe’s Attack stat.
TM90	Substitute		Status	-	-	10	The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.
HM01	Cut		Physical	50	95	30	The foe is cut with a scythe or a claw. It can also be used to cut down thin trees.
HM04	Strength		Physical	80	100	15	The foe is slugged with a punch thrown at maximum power. It can also be used to move boulders.
HM06	Rock Smash		Physical	40	100	15	The user hits with a punch that may lower the target’s Defense. It can also smash cracked boulders.

Tutors

Moves this Pokémon can learn from move tutors in this game.

	Class				Description
Headbutt	Physical	70	100	15	The user attacks with its head. It may make the foe flinch. To find Pokémon, hit trees.
Helping Hand	Status	-	-	20	A move that boosts the power of the ally’s attack in a Double Battle.
Mud-Slap	Special	20	100	10	The user hurls mud in the foe’s face to inflict damage and lower its accuracy.
Snore	Special	40	100	15	An attack that can be used only if the user is asleep. The harsh noise may also make the foe flinch.
Sucker Punch	Physical	80	100	5	This move enables the user to attack first. It fails if the foe is not readying an attack, however.
Super Fang	Physical	-	90	10	The user chomps hard on the foe with its sharp front fangs. It cuts the target’s HP to half.

Breeding

Moves this Pokémon can inherit through breeding or similar methods.

	Class				Description
Amnesia	Status	-	-	20	The user temporarily empties its mind to forget its concerns. It sharply raises the user’s Sp. Def stat.
Beat Up	Physical	10	100	10	The user gets all the party Pokémon to attack the foe. The more party Pokémon, the more damage.
Confusion	Special	50	100	25	The foe is hit by a weak telekinetic force. It may also leave the foe confused.
Counter	Physical	-	100	20	A retaliation move that counters any physical attack, inflicting double the damage taken.
Disable	Status	-	80	20	For several turns, this move prevents the foe from using the move it last used.
Head Smash	Physical	150	80	5	The user delivers a life-endangering attack at full power. The user also takes terrible damage.
Sucker Punch	Physical	80	100	5	This move enables the user to attack first. It fails if the foe is not readying an attack, however.
Supersonic	Status	-	55	20	The user generates odd sound waves from its body. It may confuse the target.
Take Down	Physical	90	85	20	A reckless, full-body charge attack for slamming into the foe. It also damages the user a little.

Traits

Ability options available to this Pokémon in this game.

Poison Point

Ability Slot 1

Contact with the Pokémon may poison the foe.

Has a 30% chance of poisoning attacking Pokémon on contact.

Rivalry

Ability Slot 2

Raises Attack if the foe is of the same gender.

Increases damage inflicted to 1.25× against Pokémon of the same gender, but decreases damage to 0.75× against the opposite gender.

#97

Nidoqueen

#99

Nidorino

Join Discord

Join a community of 5,000+ Trainers.

discord.gg/dittobase