House of the Dragon season 3 premiere confirms Nettles isn't adapted

House of the Dragon season 3 opens with the Battle of the Gullet and makes a notable change from the books by omitting the character Nettles. In the episode Rhaena, daughter of Daemon Targaryen and the late Laena Velaryon, claims the wild dragon Sheepstealer and joins the fight; Sheepstealer cannot tell friend from foe and attacks ships — even Rhaena's sister Baela — and Rhaena fails to save Jacaerys Velaryon and his dragon Vermax, who perish.

George R.R. Martin's Fire and Blood tells this part of the story differently: Sheepstealer is claimed by a dragonseed named Nettles (also sometimes called Netty). Nettles fights in the Battle of the Gullet in the book, though she is not involved in Jacaerys's death, and Fire and Blood is pieced together from multiple, often unreliable, narrators' accounts.

The book also describes a close, ambiguous bond between Daemon and Nettles. One source suggests a paramour relationship while another presents them as more like father and daughter; either way they search for Aemond together.

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