| Answer | Crossword Clue |
|---|---|
| TETRA | Common aquarium resident |
| TETRA | Aquarium resident |
| EEL | Aquarium resident |
| TETRA | Common aquarium fish |
| GUPPY | Common aquarium fish |
| TETRAS | Common aquarium fishes |
| ROCKCAVE | Common aquarium decoration |
| CASTLE | Common aquarium feature |
| OPAH | Common aquarium fish |
| tubifex | any common, bottom-dwelling worm of the genus Tubifex, often used as food for aquarium fish |
