The green oscar is a mottled combination of green, yellow and black, with dark bands across the fish's middle. Green oscars aren't hard to find, but the best specimens can get pricey. Those ones ...

A video shared on Instagram showed the female fish, whose Latin name translates to "black sea monster," swimming through the light-filled ocean waters off the coast of Tenerife. "This could be the ...

By Callie Holtermann and Madison Malone Kircher It is easy to believe that the black seadevil anglerfish ... Some of the fish’s fans have turned the watery odyssey — which ended in death ...