Jean François Cart

4 Questions 5 Answers 0 Followers

Questions related from Jean François Cart

Is it a crayfish disease ?

Hello, do you have any idea what this white substance is in the pleopods of this crayfish Procambarus virginalis? Is it a disease?

27 September 2023 4,901 1 View

Are these black necroses caused by Fusarium wilt?

Hello, what is the disease that causes black spots and carapace necrosis on leg 5 and the carpopodite of a Pacifascatus leniusculus crayfish? I'm thinking fusariosis. Are the brown lines indicated...

27 September 2023 8,344 0 View

Can someone identify this flatworm, Planaria, from temporary pond ?

I have found this flatworm, under stones, in a temporary pond last winter. The pond is in France at 100 km east of Paris. It is 2 cm long. Regards

17 August 2018 5,597 0 View

Can anybody give a name to this copepoda Lernaeocera ?

Hello, I found this parasite on freshwater Esox lucius. Is it possible to give it a name ?

02 October 2015 8,568 5 View