ARTICLE ADDEND

Sometimes the elementary experiment can lead to the most surprising result. This was recently the case when we had to learn that so-called “photosynthetic slugs “ survive just fine in the dark and with chemically inhibited photosynthe-sis. Sacoglossan sea slugs feed on large siphonaceous, often single-celled algae by ingesting their cytosolic content includ-ing the organelles. A few species of the sacoglossan clade fascinate researcher from many disciplines, as they can sur-vive starvation periods of many months through the plastids they sequestered, but not immediately digested – a process known as kleptoplasty. Ever since th