| Rating | Solver | Clue |
|---|---|---|
| GILLS | Fish lungs | |
| LUNGFISH | Any fish belonging to the Dipnoi; -- so called because they have both lungs and gills. | |
| KOMTOK | An African freshwater fish (Protopterus annectens), belonging to the Dipnoi. It can breathe air by means of its lungs, and when waters dry up, ... | |
| LEPIDOSIREN | An eel-shaped ganoid fish of the order Dipnoi, having both gills and lungs. It inhabits the rivers of South America. The name is also applied t... |