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Template:Infobox Location

The Aquarium, located in Japan, is the workplace for Hayako Sakurai, found in Endless Ocean 2. It is the third region that the player will visit during the main quest, and the only one that is traversed primarily on land. All species in the Marine Encyclopedia can be displayed here, aside from the legendary creatures. The featured animals can be changed at any time by the player character.

Starting with the "Save the Aquarium" quest, visitors start to patronize the place. However, these people are holographic shadows and they disappear when you walk through them. It is recommended that the player change the animals frequently so as to not bore the visitors. The player can ask Hayako Sakurai in the Staff Room what the visitors currently want to see to attain the best visitor numbers, and can also receive paychecks from her during each visit. The Aquarium is world-famous for its main attraction: the enormous acrylic tank that can even contain a blue whale.

Overview

Main Tank

Aquarium.png

This is a huge tank that can contain any animal that the player has discovered and added to their Marine Encyclopedia. It can house animals of three size classes - small, medium and large - but like in the first game, the tank is set up in a 4x4 grid format, and there is a limit to the number of animals that can be displayed at a time. The Large size class (four squares) is generally made up of large whales, with a few especially large fish; the Medium class (two squares) contains dolphins, sharks, turtles, rays and most large fish, and the Small class (one square) is made up of small miscellaneous animals like reef fish and jellyfish.

The player may dive in the tank and interact with the animals, albeit to a limited degree compared to in the wild; they cannot give creatures food, nor make use of the Underwater Pen or Multisensor. They can, however, make use of the Camera, allowing them to more easily take pictures of particularly rare animals; the catch is that photos taken in the aquarium are not admissible as photo submissions for requests (aside from the ones in the Fragments of Memory quest), and will result in an automatic failure. In addition, if the player chooses to place a dangerous creature in the tank, then they can dive alongside them without a care, akin to Endless Ocean. They can also sit on the bench and watch the animals swim endlessly in the tank's depths.

Small World Gallery

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This room has many small tanks where animals in Zoom Mode can be put on display. There is one tank for every habitat the player encounters. Because the Aquarium is introduced very early in the game's storyline, many tanks, such as the freshwater and deep sea ones, cannot be curated until much later in the game, after the player has unlocked areas of such habitats. Unlike the Main Tank, all animals are of a fixed size class and only four can be placed at a time.

Marine Life Annex

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This area is where aquatic animals that can go onto land are displayed - seals, penguins, crocodiles and the like. It consists of a sandy shore next to a medium-sized pool of water. However, with the exception of sea otters, the animals never enter pool, and instead remain on land. As is the case with the Small World Gallery, the creatures are all of one fixed size class and only four animals can be displayed at any time. Unlike the other exhibits, this one allows the player to place juvenile animals alongside their parents without taking up two slots.

Staff Room

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A small room where the player may consult Hayako about various issues. It is highly recommended that the player visit her frequently, as she is the only way to get information on visitor numbers, the kind of animals the visitors want to see, and visitor feedback. This is important, especially for the "Save the Aquarium" mission, in which one million visitors must be attained. It is also the only place where the player can receive payment for their curating duties.



Story Significance

Warning.png Spoilers for Endless Ocean 2 ahead!

After the completion of Chapter 2, the player and the rest of L&L Diving Service are sent to the Aquarium in order for Hayako Sakurai to translate their Okeanides' tablet when they learn that Nancy Young cannot do it herself. Upon meeting her for the first time, they learn from Mr. Kaimoto that she is too busy researching polar bears in the North Coast of Canada to help, so the gang decides to do the research in her place.

Upon making their return, Hayako agrees to study and translate the tablet, and the player is tasked with curating the aquarium while they're waiting. Once that is done, Hayako tells L&L Diving Service what she's learned, also taking the time to inform them about the Song of Dragons being heard in the Weddell Sea. Despite Jean-Eric's protests, the gang agrees to head down south to investigate, with Hayako tagging along.

Afterwards, the “Save the Aquarium” quest becomes available, during which the player must research green sea turtles and attract 1,000,000 visitors to the aquarium. Upon completion, a party is hosted at the aquarium, with the entirety of L&L Diving Service being invited, and the player will earn a title for their hard work.

Warning.png Spoilers for Endless Ocean 2 end here.

In-Game Description

NA: "Located a mere 15 minutes from the nearest train station, this aquarium complex is one of the largest in the world. Its centerpiece is a massive acrylic tank large enough to house whales. You can see everything here, from the very smallest sea creatures to huge marine mammals."

EU: "This aquarium complex is one of the largest in the world. Its centerpiece is a massive acrylic tank large enough to house whales. You can see everything here, from the very smallest sea creatures to huge marine mammals."

Notes

  • The aquarium is implied to be the Osaka Aquarium Kaiyukan. The Osaka Aquarium is also one of the largest aquariums in the world, features a massive acrylic tank large enough to house whale sharks, and is a 10-minute walk from the nearest train station.
  • An aquarium like this would not be feasible in real life practice, as we still have not learned how to keep baleen whales in captivity and many animals, such as the narwhal, often die when placed in captivity. Several others, like the orca, experience problems such as a collapsed dorsal fin.
    • The Aquarium also permits the player to keep animals of various different habitats and ecosystems in the same exhibit and even lets them house saltwater and freshwater animals together.
    • Predatory animals never attack other animals in the Aquarium - penguins can even coexist peacefully with leopard seals in the Marine Life Annex.
    • Deepwater animals also cannot be (easily) kept in captivity in real life, because their fragile bodies are damaged by lower water pressures. An exception to this, technically, would be the SEA Aquarium in Singapore, which houses live nautili in tanks about as large as the ones found in Endless Ocean: Blue World.
  • Although large species of whale may be kept in the Main Tank, the models for the Aquarium specimens are much smaller than the ones in the wild.
  • Unlike the first game's aquarium, the player cannot enter this aquarium at night. Whenever they visit, it will automatically be daytime, and while inside, there is no way to advance the in-game clock. This is likely because the game takes place in multiple different time-zones.
  • If one considers that Hayako works for both the Aquarium and for L&L Diving Service, it could hint at official business ties between both entities.

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