The space station is located in the Serpent Nebula on the galaxy map. The galaxy map can be accessed on the Combat Information Center (CIC) deck of the Normandy.;
, You can walk there or use a fast-travel transit terminal (found in various locations) to teleport there.
 If you have enough Renegade or Paragon points, speak to the shopkeeper about getting a store discount. Select the blue (Paragon) or red (Renegade) dialogue option to persuade her.
 The prices for each pet are as follows:


Space Hamster can be bought for 9,200 credits, or 7,666 credits with a store discount. Illium Skald Fish and Thessian Sunfish can be bought for 500 credits, or 416 credits with a store discount.
Note that the Thessian Sunfish will not appear in the store inventory until after you've completed the "Horizon" mission.
Travel to the Citadel.
Go to Level 27 in the Zakera Ward.
Enter "Citadel Souvenirs" and access the terminal.
Purchase pets from the item list.
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