Image of the Day: Gandalf’s Hat

A new species of amoeba, Arcella gandalfi, is covered in a shell that resembles a wizard’s hat.

Feb 12, 2017
The Scientist Staff

An optical microscope image of the Arcella gandalfi (right) and a scanning electron micrograph of its shell (left) JORDANA C. FÉRES & ALFREDO L. PORFÍRIO SOUSA (See J.C. Féres et al., “Morphological and Morphometric Description of a Novel Shelled Amoeba Arcella gandalfi spnov. (Amoebozoa: Arcellinida) from Brazilian Continental Waters,” Acta Protozoologica, doi:10.4467/16890027AP.16.021.6008, 2016.)