Animals

They mostly occur in northern Australia, and in the Indo-Pacific region. The most venomous is the Australian box jellyfish, whose sting can lead to paralysis, cardiac arrest, or death.

Either way, the larva must undergo transformation to become an adult, bottom-dwelling individual with radial symmetry.

Adults are found at depths of several meters, following schools of other fish. In the Baltic Sea, the pike has been reported to follow herring schools.

The most common is red with seven black dots.

The oldest surviving traces of sloths date back to the Pleistocene. At the time, there lived the Meg ...

Their current global population is estimated at about 110,000 individuals, which is still much lower ...

Their shells are conical and elongate, usually cream, brown, or gray.

Young females are able to give birth to offspring as early as their second year. Gestation lasts abo ...