Another idea thread huh, I like these for some reason. I don't know why. Well here you go.
•Pair of Assessor Macneill's, Yellow, or Randall's Assessor (Assessor macneilli, A. flavissimus, or A. randalli)
•One of Canary, Green Canary, Bundoon, White, Striped, Forktail, Harptail, Blackline, Kamohara, or other Blenny from the genus Meiacanthus (Meiacanthus oualanensis, M. tongaensis, M. bundoon, M. smithii, M. grammistes, M. nigrolineatus, M. atrodorsalis, M. mossambicus, M. nigrolineatus, M. kamoharai, or Meiacanthus sp.)
•Pair of Ocellaris clowns, I'd personally get a Black Ice Snowflake, and a Black Snowflake (Amphiprion ocellaris)
•Bottom dwelling blenny from the genus Ecsenius (example of an open water swimmer- Ecsenius midas, Midas Blenny. And a bottom dweller- Ecsenius bicolor, Bicolor Blenny)
•Pair of Banggai Cardinalfish (Pterapogon kauderni)
•Tangaroa Goby and Red Banded Pistol Shrimp pair (Ctenogobiops tangaroai and Alpheus randalli)
•Goby from the genus Stonogobiops and Red Banded Pistol Shrimp pair (Stonogobiops sp. and Alpheus randalli)
•Pair of Scarlet Cleaner Shrimp (Lysmata amboinensis)