The uploader of the video, who labeled them piranhas, has not responded to requests for comment. An earlier version of this story presumed the fish were piranhas, but after we received comments on ...

There’s plenty of choice when it comes to adding fish to (well prepared and correctly set up) home aquariums, with pet shops offering a bewildering range of colourful and interesting finned friends.

From the fearsome piranha and vampire fish to the mighty anaconda, the crocodile, and the candiru, these are among the most terrifying reptiles, insects, spiders, and fish.

Get ready for close encounters with caimans, piranha, snakes and more at the Rainforest Adventure. The aquarium's new 3,500-square-foot interactive permanent exhibit takes guests to the lush envir ...