A community of rare fish enthusiasts collects endangered species of freshwater fish from lakes and springs around the world, ...

Many fish enthusiasts love Black Kuhli Loaches for a variety of reasons. They’re a relatively hardy and peaceful species, so ...

Fish can change their teeth quickly, which speeds up their evolution. Cichlids in African lakes show the fastest ...

Unlike many other large lakes, its waters never fully mix, creating distinct layers that support its marine life.

How could they? A star from dozens of lightyears away was to blame for what would soon happen. Cosmic rays from a nearby ...

Cosmic rays from a nearby supernova would soon rain down on the unsuspecting cichlids, tearing apart their DNA, causing the fish to mutate and opening the door for myriad viruses to infect their ...

Experienced aquarium owners know they should research different fish species before putting them in their tanks. Some fish are very aggressive and will fight with or eat their tank mates. Meanwhile, ...

African Cichlidae, also known as cichlids, the most diverse and textbook example of species diversification to fill different niches (a phenomenon known as adaptive radiation), were dominated by ...

Fish, including cichlids, have either "simple" teeth, basically cone-shaped pegs, or "complex" teeth with multiple cusps that can adapt to feed on different prey. Peoples spent two years examining ...