What are the three main types of fish?

Instead, there are 3 main classes, groups, or types of fish: bony fish (Osteichthyes), jawless fish (Agnatha), and cartilaginous fish (Chondrichthyes). Fish are the most diverse group among the vertebrates, with over 33,000 different types of fish species.

What is the most popular type of fish?

Bass are the most popular target species of fishermen in North America. The name bass refers to both freshwater and marine species of fish belonging to the order Perciformes. Most members of the bass family have large mouths for gulping down prey.

What are the risks of keeping fish as pets?

Like all animals, fish may carry germs that make people sick. These germs can also contaminate the water in which fish live. Although fish and aquarium water can spread germs to people, illness due to keeping fish is rare.

What are the benefits of keeping fish as pets?

Fish are great pets for people with pet allergies and have shown to produce calming effects and to reduce stress among people who keep them. Like all animals, fish may carry germs that make people sick.