What fish does not have a stomach?

Hagfish are jawless, eel-like creatures that live in the ocean. They have a unique digestive system that doesn't include a stomach. Instead, they have a single, straight tube that runs from the mouth to the anus, where digestion occurs.

Here's why they don't need a stomach:

* Diet: Hagfish are scavengers, feeding on dead or dying fish and marine invertebrates. They don't need to break down food as much as other fish.

* Digestive enzymes: Hagfish produce digestive enzymes directly into their gut, allowing them to break down food without a stomach.

It's fascinating how evolution has allowed hagfish to thrive without a traditional stomach!