Han Nijssen

Han Nijssen (died 2013) was a Dutch ichthyologist. He was a curator at Zoologisch Museum in Amsterdam. Nijssen has worked extensively with fish from South America, and is the author of several species, e.g. Corydoras weitzmani and Corydoras xinguensis. Collaborating with Isaac Isbrucker he has described e.g. the group Hypancistrus and the species Hypancistrus zebra and Corydoras panda, among others. He also has collaborated with Sven O. Kullander.

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