- Will he live?
- I don't know. It depends on whether he can survive both the rotenone and being out of the water so long.

7 seconds sound clip from the Creature from the Black Lagoon (1954) movie soundboard.

You can hear this line at 00:52:53.800 in the Blu-ray version of the movie.

Quote context

[...]

- That's where he went under.

- I'm going to take a look. Wait here.

- Take it easy! He went through here, come on.

- We got him! We got him!

- Don't kill him!

- What happened?

- Give me the net.

- How is he?

- He's dead.

- That's the last one.

- All right.

- Will he live?

- I don't know. It depends on whether he can survive both the rotenone and being out of the water so long.

- You sound as if you feel sorry for him. Why? He could have killed you just as easily.

- But he didn't.

- It doesn't make any difference now. The point is, he won't do any more killing.

- Any time you're ready, Lucas, we can start back.

- We're not finished here yet. We've got to make a study of that grotto, we've got to collect photographs, data...

- I've got all the proof I need.

[...]