- Ghost in Valka Castle
Go to Valka Castle at night with Oceana.

- German pottery location in Triton Ruins
The German pottery you need is in the Triton Ruins near the well. You do not need to dive at midnight for it if the Cross Rift dive spot is unlocked.

- Big Bob the Penguin in Weddell Sea
You can find a very large Emperor Penguin at one of the landing locations in Weddell Sea. Scan it to get Big Bob's information.

- Nocturnal fish
Some fish only appear at night. For example, there is a fish in Cicero Straits that blends in with a shipwreck, and it looks like a piece of wood breaking apart from the boat. Use the fish icon on the map to find it.

- Salvage items
The following items can be salvaged:

156. Pandora's Box
58. Silver Ring
44. Old Vellum Book
121. Aluminum Ingot
126. Titanium Ingot
13. Sages Stone
104. Rural Scene
148. Assault Rifles
8. Silver Ore
152. Terra-Cotta Figure
155. Gold Doubloons
71. Joseon Baekja
161. Rations
108. Japanese Box
21. Signed Baseball
131. Empty Oil Drum
75. German Pottery
102. Impressionist Art
68. Ancient Pottery
157. Packing Straw
40. Old Magazine
47. History Book
74. Jingde Pottery
39. Decanter
53. Bone Ring
138. Totem Pole
135. Conga Drum
173. Doll
167. Silver Ingots
30. Glass Vase
123. Copper Ingot
177. Guardian Statue
27. Empty Bottle
160. Plasma TV
85. Clockwork Toy
33. Soy Sauce
176. Nanban Armor
46. Japanese Book
87. Spirit Statue
162. Men's Clothes
150. Mercury Bottles
52. Toy Ring
90. Primitive Idol
190. Holy Treasure
185. Medieval Chest
57. Secret Ring
130. Orichalcum Ingot
106. Jack-in-the-Box
93. Sketch
151. Persian Rug
111. Shogi Set
169. Boxed Armor
28. Pickled Olives
15. Glass Buoy
128. Gold Ingot
72. Staffordshire Pot
82. Marionette
36. Sparkling Juice
54. Ivory Ring
187. Industrial Chest
188. WWII Chest
45. Poetry Anthology
3. Seashell
65. Trident Ring
80. Plastic Figure
166. Supercomputer
19. Glass Bead
35. Ship in a Bottle
23. Dinosaur Egg
88. Teddy Bear
84. German Doll
158. Industrial Waste
144. Large Box
31. Mercury Bottle
136. Japanese Drum
77. Irish Pottery
16. Baseball
6. Malachite
178. Plate Armor
66. Octopus Pot
192. Spartan Treasure
149. Flamethrower
172. Wax Figure
98. Spirit Statue
143. Hand Mill
109. Music Box
125. Silver Ingot
48. Grimoire
189. Moon Treasure
92. Copied Painting
146. Chest of Drawers
29. Juice Bottle
197. Nile Treasure
76. Tortoiseshell Pot
81. Die Cast Model
59. Tourmaline Ring
154. Sarcophagus
43. Personal Diary
100. Chinese Painting
159. Fridge
61. Ruby Ring
5. Granite
195. Imperial Treasure
89. Bisque Doll
105. Small Box
63. Emerald Ring
49. Antique Art Book
2. Marble
165. Sculpture
50. Epic Poem
20. Cannonball
199. Rover's Treasure
95. Baroque Painting
124. Silicon Ingot
98. Neoclassic Art
7. Nephrite
139. Smuggler's Barrel
69. Earthenware Pot
99. Ukiyo-E
25. Black Pearl
117. Locked Box
83. Matryoshka Doll
120. Iron Ingot
9. Red Coral
116. Gem Box
171. Bronze Statue
94. Pop Art
110. Piggy Bank
18. Capsule Toy
184. Ancient Chest
103. Cubist Painting
191. British Treasure
32. Perfume Bottle
70. Delft Pottery
91. Dark Statue
137. Barrel
4. Stone
141. Petrified Wood
37. Magic Potion
17. Pearl
24. Crystal Ball
193. Crusader Loot
145. Gothic Coffin
168. Gold Ingots
174. Shadow Statue
163. Women's Clothes
134. Live Torpedo
64. Diamond Ring
179. Greek Sculpture
112. Clock
114. Chemistry Set
22. Golden Charm
115. Jewelry Case
182. Stone Statue
140. Specimen Tube
132. Concrete Drum
1. Amber
11. Ambergris
41. Ladies Magazine
175. Japanese Statue
55. The 7th Tome
38. Amrita
119. Lead Ingot
198. Ocean Treasure
96. Flower Painting
194. Incan Treasure
67. Porcelain Vase
86. Bunraku Puppet
101. Portrait Painting
164. Titanium Safe
181. Marble Statue
153. Pieces of Eight
142. Pirate's Barrel
79. Figurine
78. Canopic Vessel
26. Crystal Skull
12. Meteorite
10. Gold Ore
127. Explorer's Ingot
60. Gold Ring
34. Antique Bottle
14. Glass Marble
107. First-Aid Box
147. Ornamental Box
122. Germanium
97. Gothic Painting
186. Treasure Chest
42. Fiction Magazine
51. Rare Book
73. Imari Pottery
183. Empty Chest
56. Signet Ring
196. Bedouin Treasure
118. Fake Gold Ingot
129. Platinum Ingot
113. Silverware Set
62. Sapphire Ring
133. Submarine Light
180. Pharaoh Statue
170. Mannequin
200. Cleo's Treasure

- Three fish to heal locations in Gatama Atoll
During your return to Gatama Atoll, you must locate and heal (with your pulsar) three fish: a Manta Ray, a Humphead Wrasse, and a Manta Whale. They are located at grid marks C3, G2, and E8. If you do not know what you are looking for, the best thing to do is swim to these locations and discover them first. Make sure your tank is upgraded or you will not have enough air to finish the tasks. You will get three tries before you must leave the area and return later to try again.

- Finding Snorkle in Gatama Atoll
Snorkle is a lost puppy which you stumble upon. He can be found at Gatama Atoll on the island at grid mark H1. Notice: You must surface in more than one location in some islands to cover them all.

- Finding Pelago Crocodile
Look through the telescope on the morning before the full moon to see the Pelago Crocodile. Notice: Keep entering the cabin repeatedly to advance time until sunrise.

- Finding the strange noise in Weddell Sea
The strange noise is located in the third ice-cave at grid mark C8, about 150 meters deep.

- Legendary Leatherback Sea Turtle in Gatama Atoll
Have Snorkel on the island, and look for him by the bonfire. Pet him to get information about a strange moving island in Gatama Atoll. Investigate that area to find the legendary Leatherback Sea Turtle.

- Sea Serpent in Ciercos Strait
Sell at least three maps, and Oceana will tell you about a shadow on the map of Ciecrocos Strait. Keep asking Oceana about it, and she will tell you where the Sea Serpent can be found.

- Apollo the Ocean Sunfish in Deep Hole
Go to Deep Hole at night to find Apollo, a large golden ocean sunfish, above the Mouth of Truth.

- Photo request locations
Search one of the following locations to find a photo request. Notice: Quality countes.

Armory Landmark	Unknown.
Capier	All over the Arctic during the day.
Golden Clown Golby	Grid mark F, G, 3, 4, but is found with Yellow Golby fish at the bottom of grid mark G4 (purple coral).
Enchanted Hallway	Unknown.
Banded Angel Fish	Deep Hole (A2, small shiny spot).
Humphead Wrasse	Gatama Atoll (E8).
Moon Jellyfish	Cicero Straits (E3, north of shipwreck).
Tortipsis Nautica (jellyfish)	Valk Castle, Mermaid Ball Room (small shiny spot)
Bertrella Aurantiac	Valka Castle, grid mark C2 at the glowing spot.
Great White Shark	Cicero Straits (E3, swimming above shipwreck).
Manta Ray	Gatama Atoll (C3).
Cross Rift	Cicero Straits. It should already be marked on your map. You do not need to dive at midnight for it if the Cross Rift dive spot is unlocked.
Orange Sea Slug	Found where Nancy says it is, on the sand floor (difficult to see), and not in the coral.
Electric Eel	Amazon River, maze forest.
Mediterranean Monk Seal	Check your Encyclopedia if you did not take the picture during the rescue mission in Cicero Straits. They are not in the original locations any more.
Wulruss	Arctic, when you surface through the hole at grid mark A1. The one you are looking for is on the far right.

- Secret cave in Deep Hole
The secret cave in the Deep Hole area is located in the middle of the Deep Hole itself. You must have your dolphin by you and press A when instructed to open it.

- Deep Sea Dive
For the Deep Sea Dive, after you complete the mission of retrieving the bag from the sub, your portable air tanks will disappear. However, you will not need them after this is done.

- Blue Cliffs
At a certain point you will be asked to go to the Blue Cliffs, which are located in the deep area of grid marks A and B 8. You must swim around for a bit towards the bottom (almost to where you cannot go any farther). This might require a few attempts. It is recommended you try grid mark B8 and swim towards grid mark A8 first at various depths.

- Salvage Request
Salvage requests do not require use of you equipment. Jean-Erics request will appear in a red glow and Gestan Grey's will appear in an orange glitter glow.

- Albino Bottlenose Dolphin in Ciercos Strait
Train your dolphin until it reaches level 2. Meet Finly the dolphin trainer, and invite him to see your dolphin show. He will tell you to go to Ciercos Strait to find a white dolphin. Go there, and rescue it from the shark.

- Tour for White Grouper in Valk Castle
The White Grouper you must find a few times is in the Castle Gallery. This is the first place you find the False Killer Whale.

- Okeanos Guardian in Cavern Of The Gods
When you encounter the Goblin Sharks, scan the largest shark in the Cavern Of The Gods.

- Gold Catfish in Amazon
To unlock the Gold Catfish, you must first find the Servants Ring that is located between the waterfall and elsewhere in Twilight Temple. When you find the Servants Ring, GG will appraise it before you have a chance to call Nancy. He will tell you it is worth nothing. Then, return to the Amazon where you found the Giant Catfish. A cutscene will begin, and you will have a chance to give the fish your ring at the end. Select 'Yes', do some exploring or something else, then return to the boat. During your next dive you will return to the catfish and another cutscene will reveal that the catfish is now a Gold Catfish.

- Finding Lower Ice Cave 3
Find the fissure at C8, and follow it down so you do not have to measure meters versus feet or get confused.

- Eggs in Gatama Atoll
Fish eggs will begin appearing in certain locations on the reefs after spending awhile in Gatama Atoll.

- Triton Ring in Deep Hole
The Triton Ring can be found near the Ribbon Moray Eel in the Deep Hole. The Moray Eel looks like a Blue Tang. Notice: The Multisensor is required to find it.

- Singing Dragon in Cavern Of The Gods
Get past the Giant Goblin Shark in the Cavern Of The Gods, and the Singing Dragon, a white whale, will appear.

- Finding nearby fish
If you complete at least 25% of the map, sometimes there will be an icon above the grid view icon of a magnifying glass with a picture of a fish. Select the icon, and the arrows (if allowed) to see nearby fish or fish you have yet to discover. These will have '???' in the name. After you discover the fish and animal, they will also appear in the encyclopedia once you select its image. This is very useful when you need to take photos of a fish.

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