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Johann Jakob Heckel

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Johann Jakob Heckel was a man who studied nature. He lived in the 1800s. He worked at a museum in Vienna. This museum is now called the Austrian Museum of Natural History. Johann was an ichthyologist. This means he was a scientist who studies fish.

He did not travel to many far lands. Instead, he stayed in Vienna. He studied specimens sent to him from far away. People sent him fish from Kashmir and Africa. These items helped the museum grow. Johann was very good at his work. He even made tools to measure fish.

He wrote many books. He worked on one big book about freshwater fish for 24 years. He died before it was finished. He likely died from bacteria. He found these while working on a sperm whale skeleton. People still remember him today. Two types of fish have names that honor him. One is a cichlid called Acarichthys heckelii. Another is the Pike Cichlid. These names show respect for his hard work.

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