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Anchovy

life science Maturity 5-7 Next article →

Anchovies are small, oily fish that play a huge role in the ocean. They belong to a family called Engraulidae. Most of the more than 140 species live in saltwater. However, some live in brackish water, which is a mix of salt and fresh water. A few species in South America live only in fresh water. They are found all over the world in the Atlantic, Indian, and Pacific Oceans. They also live in the Black Sea and the Mediterranean Sea.

Engraulis encrasicolus Gervais flipped
Engraulis encrasicolus Gervais flipped

These fish have a very interesting way they work to find food. They are filter-feeders, which means they strain tiny bits of food from the water. As they swim, they keep their mouths open. Water flows into the mouth and passes out through the gills. Inside, tiny structures called gill rakers catch food particles. These particles are then moved into the esophagus, or the throat.

Ictiómetro Anchoveta
Ictiómetro Anchoveta

We can learn about the history of these fish from fossils. The earliest known relatives were large predators from the Eocene period. These ancient fish lived in the Tethys Ocean in places like Belgium and Pakistan. Because they had large fangs, people call them "saber-toothed anchovies." The first true anchovy fossil is from Monte Bolca in Italy. It is hard to find many anchovy fossils today. This is because they often live in muddy water where fossils do not form well.

Monosmilus chureloides
Monosmilus chureloides

There are many different kinds of anchovies with unique facts. The European anchovy is very common in the Mediterranean and the Black Sea. In Turkey, fleets catch about 300,000 tons of them every year. The Peruvian anchoveta fishery is one of the largest in the whole world. In 1972, this fishery had a big collapse because of overfishing and El Niño. Other species like the Japanese anchovy and the Californian anchovy are also well known.

LC IUCN 3 1
LC IUCN 3 1

Anchovies are a vital link in the food web. Almost every predatory fish eats them, including sharks and salmon. Many birds, like the California brown pelican, need anchovies to help their babies grow. Humans use them for food too. People often salt them in a process called curing to create a strong flavor. You might find them in Caesar salad dressing or Worcestershire sauce. They are even used as bait to catch larger fish like tuna.

Antonio Sicurezza - Still life with anchovies
Antonio Sicurezza - Still life with anchovies
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🖼️ Images & Media (5)
File:Monosmilus chureloides.jpg
Monosmilus chureloides.jpg
File:Engraulis encrasicolus Gervais flipped.jpg
Engraulis encrasicolus Gervais flipped.jpg
File:LC IUCN 3 1.svg
LC IUCN 3 1.svg
File:Ictiómetro Anchoveta.jpg
Ictiómetro Anchoveta.jpg
File:Antonio Sicurezza - Still life with anchovies.jpg
Antonio Sicurezza - Still life with anchovies.jpg
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