Threadfin Butterflyfish (Chaetodon auriga) トゲチョウチョウウオ size 23cm
Juvenile Threadfin Butterflyfish do not have a thread coming off of their fin. Amami 2023
A pair of adult Threadfin Butterflyfish. The tread is sometimes hard to see or missing. Miyakojima 2017
A Threadfin Butterflyfish Amami 2024