Elusive eels may use ultra-black pigmentation alongside bioluminescence to pounce upon and engulf unwitting prey. When you purchase through links on our site, we may earn an affiliate commission. Here ...

There are about 800 species of eels that belong to eight suborders, 19 families and 111 genera. Eels are characterized by their elongated, wormlike bodies. Unlike most fish, eels do not have pelvic ...

European eels make an incredibly grueling, mysterious migration to spawn in the Sargasso Sea. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The discovery in a polluted, touristy river is a shining example of wildlife’s resilience—but also raises concerns about their survival. The Dotonbori River runs through Osaka’s tourism center. Lined ...