Saltwater fish suitable for aquariums come in a wide variety, but it's important to note that maintaining marine fish requires more advanced knowledge and care than freshwater fish. Below are some common saltwater fish that are suitable for aquariums, but be sure to understand their specific characteristics and care requirements:

1. Blue Tang: Known for its beautiful blue and green coloration, this fish is popular, but it needs a large aquarium and proper water quality management.

2. Clownfish: Famous for their vibrant colors and symbiotic relationship with anemones, clownfish are relatively easy to keep in a marine aquarium.

3. Royal Gramma: Small and colorful, making it a suitable choice for beginners in the saltwater aquarium hobby.

4. Lionfish: Gorgeous but also venomous, requiring special care and attention.

5. Aquacultured Fish: Some aquacultured marine fish, such as certain strains of clownfish, are more acclimated to captive conditions, making them better suited for aquariums.

6. Grammistes Blenny: Small, quiet, and suitable for smaller marine aquariums.

7. Damsels: Many damsels come in vibrant colors and are beginner-friendly, though some species may exhibit aggression.

When choosing saltwater fish, it's crucial to research their dietary needs, behavior, and ultimate size, and ensure that your aquarium is equipped with proper gear and maintenance practices. Compared to freshwater fish, maintaining saltwater fish requires more preparation and understanding