The Poni Island Pokedex Consists of 130 Different Pokemon Species; however, many of which are also included in the other sections of The Alola Region Pokedex. Since your first adventure through the Alola Region, the Poni Island Pokedex has now been updated with a number of New Pokemon Entries.
Poni Island Pokedex
1. Pikipek
2. Trumbeak
3. Toucannon
4. Yungoos
5. Gumshoos
6. Rattata
7. Raticate
8. Buneary
9. Lopunny
10. Inkay
11. Malamar
12. Zorua
13. Zoroark
14. Furfrou
15. Happiny
16. Chansey
17. Blissey
18. Wingull
19. Pelipper
20. Drowzee
21. Hypno
22. Makuhita
23. Hariyama
24. Crabrawler
25. Crabominable
26. Zubat
27. Golbat
28. Crobat
29. Noibat
30. Noivern
31. Diglett
32. Dugtrio
33. Spearow
34. Fearow
35. Rufflet
36. Braviary
37. Vullaby
38. Mandibuzz
39. Mankey
40. Primeape
41. Oricorio
42. Cutiefly
43. Ribombee
44. Flabebe
45. Floette
46. Florges
47. Petilil
48. Lilligant
49. Cottonee
50. Whimsicott
51. Psyduck
52. Golduck
53. Magikarp
54. Gyarados
55. Barboach
56. Whiscash
57. Machop
58. Machoke
59. Machamp
60. Roggenrola
61. Boldore
62. Gigalith
63. Carbink
64. Sableye
65. Rockruff
66. Lycanroc
67. Tentacool
68. Tentacruel
69. Finneon
70. Lumineon
71. Mudbray
72. Mudsdale
73. Tauros
74. Miltank
75. Basculin
76. Stufful
77. Bewear
78. Pinsir
79. Goomy
80. Sliggoo
81. Goodra
82. Castform
83. Wimpod
84. Golisopod
85. Skarmory
86. Snubbull
87. Granbull
88. Shellos
89. Gastrodon
90. Relicanth
91. Dhelmise
92. Carvanha
93. Sharpedo
94. Skrelp
95. Dragalge
96. Clauncher
97. Clawitzer
98. Wailmer
99. Wailord
100. Lapras
101. Tropius
102. Exeggcutee
103. Exeggutor
104. Corphish
105. Crawdaunt
106. Mienfoo
107. Mienshao
108. Jangmo-o
109. Hakamo-o
110. Kommo-o
111. Emolga
112. Scyther
113. Scizor
114. Heracross
115. Aipom
116. Ambipom
117. Litleo
118. Pyroar
119. Misdreavus
120. Mismagius
121. Druddigon
122. Lickitung
123. Lickilicky
124. Riolu
125. Lucario
126. Dratini
127. Dragonair
128. Dragonite
129. Aerodactyl
130. Tapu Fini