| Underwater skeleton |
| Name for Bruce Wayne's underwater vehicle |
| Action hero's underwater breathing aid |
| Airtight underwater chamber |
| 1970s Patrick Duffy title character who can breathe underwater |
| Alligator ___ (underwater menace) |
| Amazonian underwater shocker |
| Vegetation in underwater forests |
| Aida" composer underwater? |
| Animal born underwater |
| Underwater slitherers |
| 1989 underwater thriller, with "The |
| Almost underwater |
| Underwater ecosystem made up of brown algae |
| Instrumental" underwater creature? |
| Underwater pit residents |
| Underwater growths |
| Underwater zappers |
| Underwater steering mechanisms |
| Plant in an underwater forest |
| Voracious underwater creature |
| Underwater excavator |
| Wrigglers' waterway? |
| Songbird that dives underwater |
| Underwater excavation machine |
| Underwater growth |
| It may be held underwater |
| Shrieking ___ (underwater terrors in "The Princess Bride") |
| Aquaman: You can breathe underwater, so you're... |
| Star Wars" character from the underwater city Otoh Gunga (reused food container) |