UK researchers uncover mysteries of the deep sea

The transcript discusses the excitement of observing fresh fish directly from the ocean. It highlights the unique features visible in fresh fish, such as glowing light organs, which are not apparent once the fish are preserved. The freshness of the fish allows for a more detailed observation of their characteristics.

In what ways does the speaker's experience with fish differ from seeing them in a jar?

What does the speaker mean by 'light organs' in fish?