These small, nocturnal primates have a venomous bite. While they may seem cute and harmless, their bite can cause an allergic reaction and be potentially dangerous.
The male platypus has venomous spurs on its hind legs. While they are not usually fatal to humans, the venom can cause severe pain and swelling.
Although they are popular in aquariums and are known for their comical appearance, some species of pufferfish contain a potent neurotoxin called tetrodotoxin. Ingesting even a small amount of this toxin can be deadly.
These tiny and beautiful cephalopods carry a potent neurotoxin that can cause paralysis and respiratory failure in humans. Their small size and often vibrant blue rings make them deceptively appealing.
Found in the waters of the Indo-Pacific region, box jellyfish are known for their cube-shaped bell and long, trailing tentacles. Their venom can be extremely toxic and, in some cases, deadly.
While koalas may seem cuddly, they have sharp claws and strong jaws. Additionally, they can become aggressive when stressed. Although attacks on humans are rare, they can cause injury.
The cute white fur coats of hooded seal pups may attract attention, but adult hooded seals can be aggressive and protective. Getting too close can lead to injury, as these seals have powerful jaws and sharp teeth.
While dolphins are generally friendly and intelligent, they are powerful animals with strong beaks and teeth. In rare cases, dolphins in captivity or in the wild have exhibited aggressive behavior towards humans.