The first tank mate on our list is the Jack Dempsey cichlid which has a similar temperament to Oscars. Jack Dempsey has a striking appearance, consisting of vibrant green, blue, pink, purple, and ...

The scientists set up 15 large tanks divided in two ... in the brain is regulated by social status in a highly social cichlid fish, Frontiers in Behavioral Neuroscience (2024).

Although these cichlids are a popular aquarium fish, what goes on inside the shell has, until now, been hidden from the outside world. With a clever idea, Ash Parker and her colleagues managed to gain ...