It is able to be defined that Archaeological Animal remains would be a mirror of their environment and subsistence including gathering, hunting and fishing, in these days.
Every animal remains from archaeological sites is suitable to environmental archaeology in this way so it would be required to identify accurately most of all animal remains from every site. Most frequent variety of sponsored research is to identify shellfish and shell growth line analysis. Recently we analyze the oxygen stable isotope ratio and the carbon stable isotope ratio about archaeological shellfish to study palaeoenvironment.