What fish eats the viper fish?

The viperfish is a fierce predator itself, and it's high up in the food chain! That means very few fish actually eat them.

Here's why:

* They are well-defended: Viperfish have sharp teeth, a bioluminescent lure, and they live in the deep sea, making them difficult to catch.

* They are aggressive: Viperfish will readily attack prey much larger than themselves.

However, some larger predators might occasionally prey on viperfish:

* Larger sharks: Sharks like the Greenland shark or the sleeper shark, which also inhabit the deep sea, could potentially eat a viperfish.

* Other deep-sea fish: Larger, predatory fish like the giant squid or the anglerfish could potentially make a meal out of a viperfish.

It's important to note that direct observations of these interactions are extremely rare, given the challenges of studying deep-sea ecosystems.