This is the first fungus known to host complex algae inside its cells
It’s unclear if the newly discovered alliance exists in the wild

FUNGAL INSIDER In a first, scientists have discovered that the marine algal species Nannochloropsis oceanica (green round cells) can live inside the fungus Mortierella elongata (long transparent tubes). The species formed a mutually beneficial relationship in a lab dish.
Z.-Y. Du et al/eLife 2019 (CC BY 4.0)