Are black and grey angelfish bad to eat?

There is no information to suggest that black and grey angelfish are bad to eat. It's important to note that:

* Angelfish are not a common food source. They are primarily kept as ornamental fish in aquariums.

* There are no known reports of angelfish being poisonous or unsafe to consume.

* The safety of eating any type of fish depends on factors like where it comes from, how it was caught, and how it was prepared.

If you're considering eating angelfish:

* Consult with a local fish expert or fisheries department to determine the safety and regulations surrounding consuming angelfish in your area.

* Always choose fish from reputable sources that follow safe handling and preparation practices.

It's always best to err on the side of caution when it comes to eating unfamiliar fish.