Of these, one in 10 species was new to science.

Similar cases are seen in some other species of the same family.

In some species they can be seen through the skin.

Little information is available on levels of international trade in this species.

We each have four kinds of life in our species.

Whether eyes are present in this species is a matter of debate.

Public interest in the species is not only strong but continues to grow.

A possible sexual process has been observed in at least two species.

If this is indeed the case, a similar relationship might exist in other species.

In smaller species, this stage may last between two months and three years.