Can an original be found? Mitochondrial species identity does not predict nuclear genome similarity in the photosymbiotic jellyfish Cassiopea andromeda and C. xamachana
Kaden McKenzie Muffett, Megan A. Sporre, Marta Mammone, Maria Pia Miglietta
The study finds that mitochondrial species identity in Cassiopea jellyfish does not predict nuclear genome similarity, suggesting hybridization and geographic mixing rather than strict species boundaries.
bioRxiv · Aug 27, 2026 · PreprintEcology