A stock image shows a spider carrying her babies on her back. A Reddit post showing a wolf spider doing this in the wild has gone viral. iStock / Getty Images Plus There are 250 species of wolf ...

Female Joro spiders are larger than the males, around 3-4 inches long, and are mostly yellow with dark blue stripes and a reddish abdomen. Flattened out, their leg span is about 6-8 inches long ...

When fully grown, the female spider’s body can grow up to an inch long and its legs — which are black with yellow stripes — can span up to 3 to 4 inches. Stretched out, its diameter can be ...