Non-marine Molluscs of Western Australia Project (Commercial)Research Projects | Updated 1 decade ago Bothriembryon sp. Image copyright of WA Museum The Aquatic Zoology department is currently undertaking a continual research study where regular contracts with mining companies and environmental consultancies for Environmental Impact Assessment Surveys result in numerous terrestrial mollusc sampled added into the Museum collections. Data and samples, sometimes of previously unknown species, builds on our knowledge of species’ distributional ranges, ecology and biology and provides the basis for future taxonomic research.