i.e. earthworms of the genus Pheretima, come in a variety of colours,
from overall pink to slate grey (fig.),
yet the colouration is apparently not always uniform, as some seem
to have a white underbelly (fig.).
This individual, spotted
Bach Ma National Park
(fig.) in central
Vietnam, is a dark pinkish-grey
and measures well over a meter in length (fig.).
See also TRAVEL