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Which fish species live in the Lake Müggelsee, how many of them are there, and how big do they get? These were the questions investigated by some 20 IGB employees between 8 and 10 October.

A team of scientists spearheaded by IGB has investigated whether flash photography induces an increase in cortisol levels of fish in aquariums.

Great news for IGB scientist Jens Krause and his group: Two clusters initiatives on the subject of collective behaviour and intelligence will receive funding through the German Excellence Strategy starting 1 January 2019.

Exhibition "Women in Limnology" for two weeks at IGB.

Artificial light at night also makes guppies more courageous during the day, according to a behavioural study led by researchers from IGB and the Max Planck Institute for Human Development.

Lakes as the Müggelsee near Berlin are currently covered with an unusually thick carpet of algae. This algal bloom is primarily a result of the warm summer months, but there are also other reasons...

"Good catch!" - Several members of the IGB-research group "Integrative Recreational Fisheries Management" of Robert Arlinghaus were honoured within the last months.

Ulrike Berninger, Professor of Ecology at the University of Salzburg in Austria, has long been interested in mixotrophic plankton. This refers to the small organisms floating in water that combine the properties of both zooplankton and phytoplankton. Depending on the environmental situation or individual requirements, these unicellular organisms can either take up food particles via phagocytosis or carry out photosynthesis using sunlight.