| Answer | Crossword Clue |
|---|---|
| DANIO | Freshwater aquarium favorite |
| TETRA | Aquarium favorite |
| PENGUIN | Aquarium favorite |
| GUPPY | Aquarium favorite. |
| GUPPY | Aquarium favorite |
| GOLDFISH | Aquarium favorite |
| NEON | ... tetra (aquarium favorite) |
| OTTER | National Aquarium favorite |
| OPAH | Oprah's favorite aquarium fish? |
