The Akala Island Pokedex Consists of 160 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 Akala Island Pokedex has now been updated with a number of New Pokemon Entries.
Akala Island Pokedex.
1. Pikipek.
2. Trumbeak.
3. Toucannon.
4. Yungoos.
5. Gumshoos.
6. Rattata.
7. Raticate.
8. Caterpie.
9. Metapod.
10. Butterfree.
11. Grubbin.
12. Charjabug.
13. Vikavolt.
14. Bonsly.
15. Sudowoodo.
16. Happiny.
17. Chansey.
18. Blissey.
19. Wingull.
20. Pelipper.
21. Crabrawler.
22. Crabominable.
23. Gastly.
24. Haunter.
25. Gengar.
26. Zubat.
27. Golbat.
28. Crobat.
29. Diglett.
30. Dugtrio.
31. Oricorio.
32. Psyduck.
33. Golduck.
34. Magikarp.
35. Gyarados.
36. Barboach.
37. Whiscash.
38. Tentacool.
39. Tentacruel.
40. Finneon.
41. Lumineon.
42. Wishiwashi.
43. Luvdisc.
44. Corsola.
45. Mareanie.
46. Toxapex.
47. Remoraid.
48. Octillery.
49. Mantyke.
50. Mantine.
51. Lillipup.
52. Herdier.
53. Stoutland.
54. Eevee.
55. Vaporeon.
56. Jolteon.
57. Flareon.
58. Espeon.
59. Umbreon.
60. Leafeon.
61. Glaceon.
62. Sylveon.
63. Mareep.
64. Flaaffy.
65. Ampharos.
66. Mudbray.
67. Mudsdale.
68. Igglybuff.
69. Jigglypuff.
70. Wigglytuff.
71. Tauros.
72. Miltank.
73. Surskit.
74. Masquerain.
75. Dewpider.
76. Araquanid.
77. Fomantis.
78. Lurantis.
79. Morelull.
80. Shiinotic.
81. Paras.
82. Parasect.
83. Poliwag.
84. Poliwhirl.
85. Poliwrath.
86. Politoed.
87. Goldeen.
88. Seaking.
89. Basculin.
90. Feebas.
91. Milotic.
92. Alomomola.
93. Fletchling.
94. Fletchinder.
95. Talonflame.
96. Salandit.
97. Salazzle.
98. Cubone.
99. Marowak.
100. Kangaskhan.
101. Magby.
102. Magmar.
103. Magmortar.
104. Larvesta.
105. Volcarona.
106. Stufful.
107. Bewear.
108. Bounsweet.
109. Steenee.
110. Tsareena.
111. Comfey.
112. Pinsir.
113. Hoothoot.
114. Noctowl.
115. Kecleon.
116. Oranguru.
117. Passimian.
118. Goomy.
119. Sliggoo.
120. Goodra.
121. Castform.
122. Wimpod.
123. Golisopod.
124. Staryu.
125. Starmie.
126. Sandygast.
127. Palossand.
128. Omanyte.
129. Omastar.
130. Kabuto.
131. Kabutops.
132. Lileep.
133. Cradily.
134. Anorith.
135. Armaldo.
136. Cranidos.
137. Rampardos.
138. Shieldon.
139. Blastiodon.
140. Tirtouga.
141. Carracosta.
142. Archen.
143. Archeops.
144. Tyrunt.
145. Tyrantrum.
146. Amaura.
147. Aurorus.
148. Larvitar.
149. Pupitar.
150. Tyranitar.
151. Phantump.
152. Trevenant.
153. Natu.
154. Xatu.
155. Nosepass.
156. Probopass.
157. Pyukumuku.
158. Chinchou.
159. Lanturn.
160. Tapu Lele.