Flowerhorn cichlid. Image by Lerdsuwa, CC BY-SA 3.0 , via Wikimedia Commons. Two Devils Hole pupfish. Image by Olin Feuerbacher : USFWS, Public domain, via Wikimedia Commons. The Devil’s Hole pupfish ...

Species that are popular in the ornamental fish trade are very adaptive by nature. This virtue helps them easily adapt to ...

Biologically speaking, female and male bonobos have a weird relationship. First, there’s the sex. It’s the females who decide when and with whom they mate. They easily parry unwanted sexual ...