Can a 5th level triton cast each spell they have from their racial once per long rest

@JeremyECrawford can a 5th level triton cast each spell they have from their racial once per long rest, or can they cast one of them?

— Ian Tomlin (@zanderkreegan) November 14, 2016

A triton can cast each spell in Control Air and Water. #DnD https://t.co/11TF4aEmPZ

— Jeremy Crawford (@JeremyECrawford) November 14, 2016