| Answer | Crossword Clue |
|---|---|
| ALGA | Unwanted organism in an aquarium |
| ALGA | Unwanted aquarium organism |
| ARP | "Birds in an Aquarium" artist |
| TANKTOPIC | Clean water, in an aquarium? |
| ARP | "Birds in an Aquarium" sculptor |
| HANSARP | "Birds in an Aquarium" sculptor |
| ARPS | MoMA's "Two Heads" and "Birds in an Aquarium" |
| oxygenators | An aquatic plant that enriches the surrounding water with oxygen, esp. in a pond or aquarium |
| oxygenator | An aquatic plant that enriches the surrounding water with oxygen, esp. in a pond or aquarium |
