For the experiment, the team used bluestreak cleaner wrasse, a species measuring more than 10 centimeters long that inhabits waters off Wakayama Prefecture and the southwestern Nansei Islands.

A new study published in the Proceedings of the Natural Academy of Sciences has shown that bluestreak cleaner wrasse (Labroides dimidiatus) recognize themselves in photographs (Kohda et al., 2023).

such as the bluestreak cleaner wrasse (Labroides dimidiatus), to act as vectors for parasites. A study demonstrated that while these cleaners can resist some parasites, they can also temporarily ...