Ask any aquarium keeper, and they’ll tell you that their least favorite part about the hobby is cleaning their fish tanks.

Choosing the right substrate is one of the most common challenges beginner aquarists face. With so many options, it can be ...

Now, in a study published on September 30 in Communications Biology, researchers have found that fish known as cleaner wrasse (Labroides dimidiatus) also behave differently when watched. Females were ...