Massive worms which grow to the size of a small snake and are as heavy as mice have been discovered on a “barren island” in Scotland. Some of the animals were 16ins long and weighed a whopping 12.5g, ...

This is a preview. Log in through your library . Abstract The progenetic opecoelid trematode Coitocaecum parvum can reproduce either precociously by selfing in its second intermediate amphipod host or ...