Theses & Dissertations Open Access Determination of age and growth of Opsaridium microlepis (mpasa) and the influence of water quality parameters on its catches in the Linthipe river in Central Malawi Moses Limuwa A study on the determination of age and growth of Opsaridium microlepis, locally known as the mpasa, and the influence of water quality parameters on its catches in the Linthipe river in Central Malawi was conducted between February 2006 a… RUF-35500 2008 CC BY 4.0 29 Sep 2015