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Ichthyology

life science Maturity 11-13 Next article →

Ichthyology is a special branch of zoology. It is the science of studying all kinds of fish. This includes bony fish, which have hard skeletons. It also includes cartilaginous fish, which have bodies made of softer material. There are even jawless fish that belong to this group.

Mimbres fish
Mimbres fish

Scientists use this science to understand how fish live. As of March 2025, FishBase says there are 35,800 described species. This is a huge number of different living things. Studying them helps us learn about our watery world.

How did this study begin? It started with a very simple need. Early humans needed to find food to eat. They also needed to know where to find fish in large amounts. They learned when fish were most available to catch.

Deckblatt zu einem der Hauptwerke von Peter Artedi
Deckblatt zu einem der Hauptwerke von Peter Artedi

These early people were the first ichthyologists. They even made art of fish on pottery. Some ancient laws even described which fish were okay to eat. This shows that humans have always watched fish closely.

Many famous people helped build this science. Aristotle was one of the first to make it a formal study. Between 333 and 322 BC, he described 117 types of Mediterranean fish. He also noted how fish behave differently than marine mammals. Later, in the 1500s, scholars like Guillaume Rondelet did real research. His book identified 244 different species. These thinkers moved away from old stories to look at real fish. This helped turn the study into a modern science.

Naming fish was another big step forward. Peter Artedi is known as the "father of ichthyology." He created ways to measure fish parts that we still use today. He worked with Carl Linnaeus, the "father of modern taxonomy." Linnaeus used Artedi's ideas to create binomial nomenclature. This is a system that gives every fish two specific names.

Mimbres fish
Mimbres fish

This system helps all scientists speak the same language. It makes sure everyone knows exactly which fish is being discussed.

Today, the science is bigger than ever. In the 1800s, Georges Cuvier wrote a massive series of books. He described 4,514 species, including many that were new to science. Other explorers traveled to the Americas to find new fish. Scientists like Louis Agassiz even studied fish fossils from long ago.

Deckblatt zu einem der Hauptwerke von Peter Artedi
Deckblatt zu einem der Hauptwerke von Peter Artedi

Now, we use tools like FishBase to keep track of everything. We continue to discover new species in our oceans and lakes. The journey of learning about fish is still going on.

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