Here's an update of the fishes that I believe are either seasonal or exotic;

C328

-Melanotaenia lacustris (Lake Kutubu rainbowfish)
-Paracheirodon simulans (Green Neon tetra)
-Brevibora dorsiocellata (Eyespot Rasbora)
-Danio choprae (Glowlight Danio)
-Nannostomus mortenthaleri (Coral Red Pencilfish)
-Plenty of Apistogramma sp.
-Betta imbellis

Y618

-Danio choprae (Glowlight Danio)
-Sphaerichthys vaillanti
-Betta rutilans
-Betta mandor
-Nematobrycon palmeri (Black Emperor tetra)

Green Chapter

-Sundadanio axelrodi