Jeroen Van Wichelen

2 Questions 16 Answers 0 Followers

Questions related from Jeroen Van Wichelen

Can anyone help me identifying this organism that formed orange coloured scum layers on lakes and low running rivers in summer?

In September this year, I noticed an orange/green coloured scum layer in a slow-running river (see pictures) close to my hometown (Deinze, Belgium) containing green and orange clusters, as can be...

05 October 2023 9,528 1 View

Anyone also noticed strikingly greenish colored glass eels (Anguilla anguilla) this spring?

This spring we encountered some striking greenish colored glass eels (see pictures in attach). So far, this pigmentation is restricted to the neck region (just behind the head) and a lateral area...

28 March 2018 5,064 4 View