Saltwater fish are available as pets in abundance and can be found easily from pet stores and other resources. Most hobbyists love to have different varieties of fishes in their aquarium or tanks as pets as they are diverse in colors, shapes and sizes. Provided below are important tips on buying and care instructions always to be remembered whether you are a beginner or a hobbyist.

• First learn about the various species of saltwater fish and then try picking your choice from those varieties.
  
  
• If you are setting an aquarium for the first time, learn about which species are recommended and not recommended for beginners and then buy them.
  
  
• Compatibility, temperature requirements are to be considered and whether you could provide the same must always be remembered.
  
  
• If you are going for different species of fish in one tank then consider putting fishes which are compatible with each other.
  
  
• The number of fishes to be kept in a tank or aquarium is also to be considered.
  
  
• Fish habitat and care requirements are always to be remembered while buying pet fishes.
  
  
• Feeding habits are to be considered as some fishes feed on floating food while others feed on sinking food.

These are some important points to be considered before buying fish for your aquarium or tank.