151
Obscure
Legendary
New generation
National Pokedex
100
"From the time it is born, a flame burns at the tip of its tail. Its life would end if the flame were to go out."
Charmander!
100
"REDACTED sucks in water, then expels it at high velocity using its abdominal muscles to shoot down flying prey. When evolution draws near, this POKéMON travels downstream from rivers."
Remoraid! 
100
"A POKéMON that was created by genetic manipulation. However, even though the scientific power of humans made its body, they failed to give it a warm heart."
Mewtwo!
100
"This is a small dragon Pokémon. It lives inside the mouth of Dondozo to protect itself from enemies on the outside."
Tatsugiri! 
100
"For some time after its birth, it grows by gaining nourishment from the seed on its back."
Bulbasaur!
200
"A host-parasite pair in which the parasite mushroom has taken over the host bug. Prefers damp places."
Parasect!
200
"When evolving, its body takes in surrounding materials. As a result, there are many body variations."
Wormadam!
200
"This Pokémon is said to live in a world on the reverse side of ours, where common knowledge is distorted and strange."
Giratina!
200
"The pair sticks together no matter what. They split any food they find exactly in half and then eat it together."
Tandemaus!
200
"The electric sacs in its cheeks are small. If even a little electricity leaks, it becomes shocked."
Pichu!
300
"While lulling its enemies with its vacant look, this wily POKéMON will use psychokinetic powers."
Psyduck!
300
"To withstand the crushing pressure of water deep under the sea, its spine is very thick and sturdy. Its tail, which is shaped like a small fish, has eyes that light up."
Huntail! 
300
"REDACTED lived for hundreds of millions of years in the earth's ozone layer, never descending to the ground. This POKéMON appears to feed on water and particles in the atmosphere."
Rayquaza!
300
"This Pokémon converts nutrients into oil, which it stores in the fruit on its head. It can easily go a whole week without eating or drinking."
Smoliv
300
"When exposed to the moon's aura, the rings on its body glaow faintly and it's filled with a mysterious power."
Umbreon!
400
"The body is soft and rubbery. When angered, it will suck in air and inflate itself to an enormous size."
WigglyTuff!
400
"When it encounters a foe bigger than itself, it wants to throw it. It changes belts as it gets stronger."
Throh! 
400
"When its life comes to an end, it absorbs the life energy of every living thing and turns into a cocoon once more."
Yveltal!
400
"It eats snow that has accumulated on the ground. It prefers soft, freshly fallen snow, so it will eat its way up a mountain, aiming for the peak."
Snom!
400
"It shares the leaf on its head with weary-looking Pokémon. These leaves are known to relieve stress."
Pansage!
500
"The body is covered by stiff, needle-like scales. If it becomes excited, the needles bristle outwards."
Nidoqueen!
500
"One alone can emit only a trickle of electricity, so a group of them gathes to unleash a powerful electric shock."
Tynamo!
500
"This legendary Pokémon can scorch the world with fire. It helps those who want to build a world of truth."
Reshiram!
500
"The hatred of those who perished by the sword long ago has clad itself in snow and become a Pokémon."
Chien-Pao! 
500
"It can see clearly through walls to track down its prey and seek its lost young."
Luxray!