Study on the bottom sowing culture for May arenaria
目前，在野外环境中发现了三种传染性癌症，分别发生在犬类、袋獾，以及砂海螂身上，后者是最近发现的。
And so far , three kinds of contagious cancers have been discovered in the wild - in dogs , Tasmanian devils and , most recently , in soft shell clams .
海螂