It usually takes millions of years for new species to evolve, but not for fish in one African lake.

Cambodia’s largely unexplored limestone caves stretch for thousands of miles, are home to countless undiscovered species and host unique ecosystems, with creatures found nowhere else on Earth. Now, a ...

If you liked this story, share it with other people. The new fish species come from five continents and a diversity of habitats, including limestone caves, peat swamps, wetlands and rivers. Most are ...

Thousands of species produce genetically identical (clonal) offspring through asexual reproduction 1. However, asexual reproduction is much less common than sexual reproduction is, partly because it ...

The fish trap was placed deep inside a dark tunnel where few people ever look. Bread bait was left inside while the trap sat quietly underwater for hours. When it was finally pulled out, something ...