Fish are edible, or decorative creatures that can be collected in Mass Effect 3. You can collect them throughout the game and they will be on display in Commander Shepard's personal cabin on the Normandy. There, the Commander has an aquarium that can be filled with fish. You can purchase different kinds of Fish from the many Stores in the Citadel.
Care
Any fish obtained during the Mission to stop the Collectors can be regained if Kelly Chambers was taking care of Commander Shepard's fish survived the ending of Mass Effect 2.
At the start of Mass Effect 3, Kelly took the fish with her and if you meet her again, she will return the fish.
Aquarium VI
You can purchase an upgrade module for fish tank that will automatically feed and care for the fish. You can purchase it at the Elkoss Combine Arsenal Supplies terminal located in the Presidium Commons of the Citadel for 
25,000.
All Fish in Mass Effect 3
Name |
Location |
Price |
Discount |
|---|---|---|---|
|
Kanala Exports | 1000 |
950 |
|
Kanala Exports | 1000 |
950 |
|
Kanala Exports | 10,000 |
9500 |
|
Kanala Exports | 1000 |
950 |
|
Note: These fish will only be available if Kelly Chambers save your fish collection in Mass Effect 2 | ||
|
Kanala Exports | 1000 |
950 |
|
Kanala Exports | 1000 |
950 |
