¿Qué es un pez?: diferentes tipos de peces

The video tutorial explores the diversity of fish, highlighting over 30,000 types. It explains how scientists classify fish into groups based on characteristics. Jawless fish, like lampreys, have suction cups instead of mouths. Cartilaginous fish, such as sharks, have skeletons made of cartilage. Bony fish, the most common type, have skeletons made of bone and inhabit both freshwater and saltwater environments.

What are the main groups of fish mentioned in the text?

Describe the characteristics of jawless fish.

What is the difference between cartilaginous fish and bony fish?

What material makes up the skeleton of cartilaginous fish?

How many types of bony fish are mentioned in the text?