| Answer | Crossword Clue |
|---|---|
| SWAN | Pen that swims |
| MANTA | Ray that swims |
| EEL | Fish that swims backwards |
| SHAD | Fish that swims upstream |
| SEAHORSE | Fish that swims upright |
| EEL | One that swims with a current? |
| SEAHORSE | Fish that swims in an upright position |
| ROTIFER | Microscopic animal that swims with whirling cilia |
| SHAD | Deep-bodied herring that swims upstream to spawn |
