gammarus

Nearly impossible to video track: small shrimp

Gammarus shrimps are exceptionally difficult to track, but Noldus solved the puzzle, resulting in interesting insights into its ecology.
anxiety-ancient-crayfish

Anxiety is ancient – how crayfish resemble vertebrates

Fear is something we all know. It changes our behavior: we freeze, try to escape, or respond with aggression. Fear can also cause anxiety, which is a more complex phenomenon.