Do you know that the fish here in Hawai‘i go to the dentist on a regular basis to have their teeth cleaned? From large sharks to young yellow tangs, they all get free dental work, but they must go to ...

Controversial new research shows that a tiny, unsuspecting species of fish can pass a test that’s widely considered the gold standard of intelligence. As far as we can tell, only a few of the most ...

Cleaning behavior is found in all tropical reef communities. The cleaner wrasse, Labroides dimidiatus, is one of the many organisms that display this behavior. The cleaning stations, which were ...

The cleaner wrasse fish (Labroides dimidiatus), responds to its reflection and attempts to remove marks on its body during the mirror test -- a method considered the gold standard for determining self ...

What’s good for farmed salmon may not be for natural ecosystems. Small fish called wrasse painlessly peck sea lice from the skin of farmed salmon, enabling salmon farmers rely less on powerful ...

When scientists want to determine if an animal is self-aware, they conduct what is known as a “mirror self-recognition test,” in which researchers expose animals to their own reflection, and see if ...