Han Nijssen

Han Nijssen (1935– 2013) was a Dutch ichthyologist.

Nijssen was born in Amsterdam and obtained his PhD at the University of Amsterdam in May 1970 with the dissertation Revision of the Surinam catfishes of the genus Corydoras. Later he was a curator at Zoölogisch Museum in Amsterdam. Nijssen worked extensively with fish from South America, and was the author of several species, e.g. Corydoras weitzmani and Corydoras xinguensis. Collaborating with Isaäc Isbrücker he described e.g. the group Hypancistrus and the species Hypancistrus zebra and Corydoras panda, among others. He also collaborated with Sven O. Kullander.

The species Corydoras nijsseni and Apistogramma nijsseni are named after him.

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