Huntail and Sakurabyss! The Riddle of Evolution! - S8-E3
Character mistake: The Pokédex entry for Huntail says that it is the evolved form of Clamperl, when it should be an evolved form of Clamperl. This also happens with Gorebyss' entry. (00:02:03)
Answer: Yes it ran away because Layla hurt its feelings.