One of the biggest freshwater fish in North America ... thought just freshwater," wrote one person. "That is scary looking" read another comment. "I have seen the gar before but never had a ...

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.

Sitting on the seafloor, waving colorful tentacles, they lure fish, sting them, and eat them. Scary, squishy, cool, brainless, mesmerizing—jellyfish are all of these and a whole lot more.

It is perhaps less believable that such a creature, the kind so freakish it inspired a particularly scary scene in the children ... Some of the fish’s fans have turned the watery odyssey ...