uals, young children, older adults, and people with weakened immune systems.
## 10. “Mystery Fish”
Perhaps the biggest warning sign on a restaurant menu isn’t a particular species.
It’s a lack of information.
A menu might advertise “fresh catch,” “white fish,” “reef fish,” or simply “local fish” without specifying exactly what you’re eating.
That can make it difficult to assess mercury exposure, sustainability, allergens, or even whether the menu description accurately reflects the species.
You don’t need to interrogate your server every time you order seafood.
But if the restaurant gives you little information, asking one simple question can help:
**“What species is the fish, and where was it sourced?”**
A good restaurant should generally be able to answer.
If nobody knows, choosing something more clearly identified may be the better option.
# The Restaurant Preparation May Matter More Than the Fish
There’s another important point.
A fish can be nutritionally excellent and still become a heavy meal depending on how it’s prepared.
Consider salmon.
Grilled salmon with vegetables is a very different meal from salmon battered, deep-fried, and covered in a rich cream sauce.
The same applies to cod.
Cod can be a lean protein.
But once it’s breaded, fried, and served with a large portion of fries and creamy sauce, the nutritional profile of the entire meal changes.
When ordering seafood, consider the preparation as well as the species.
Grilled, baked, broiled, steamed, or roasted preparations are often lighter choices than deep-fried options.
## Don’t Be Afraid of Fish
After reading a list like this, someone might conclude that ordering seafood at a restaurant is too complicated.
It isn’t.
Fish remains a nutritious food for many people.
The goal isn’t to avoid seafood.
The goal is to become a more informed seafood consumer.
Instead of asking, “Is fish healthy?” ask better questions.
What species is it?
Where was it caught or farmed?
Is it high in mercury?
How often do I eat it?
How was it prepared?
Is it sustainably sourced?
Those questions give you much more useful information.
# What Are Some Better Restaurant Choices?
If you want seafood that is generally considered a good option, several choices are worth considering.
## Salmon
Salmon is rich in omega-3 fatty acids and protein.
It can be grilled, baked, roasted, or served in salads.
Ask whether it is wild or farmed and where it comes from if sourcing matters to you.
## Trout
Trout can be an excellent alternative to higher-mercury predatory fish.
It is flavorful without necessarily requiring a heavy sauce.
Grilled or roasted trout with vegetables can make a balanced meal.
## Sardines
Sardines may not be the first fish people think of when dining out, but nutritionally they can be excellent.
They are small fish and can provide omega-3 fatty acids, protein, vitamin B12, and other nutrients.
## Cod
