Here are all the fish that are unique to Celestia.
- Blue Armored Guard Rank 1 – District of Stars
- Channel Bass Rank 3 – Survey Camp
- False Catshark Rank 3 – Celestia Base Camp
- Flying Saucer Fish Rank 3 – Celestia Base Camp
- Humunukapua Rank 3 – The Floating Land
- Jaws Rank 3 – Stormriven
- Little Mackerel Rank 3 – District of Stars
- Nibbler Rank 1 – The Floating Land
- Oil Drum Rank 3 – Stormriven
- Shiner Rank 3 – District of Stars