From now on, I will call this clam "Kronar"

Nearly all Corbicula clams are clones—physically hermaphroditic but genetically male, just like their forbears. But that's not the fascinating part. Corbicula clams add new genetic material to their portfolio by, essentially, stealing eggs from other clams and dumping the maternal genome after fertilization. Most of the time, all the maternal genes get dumped. But sometimes, a few genes are kept and get incorporated into the all-male Corbicula line.