<i>Thioploca araucae</i> (IMAGE) Census of Marine Life Caption Thioploca was found in seven of eight samples drawn but at very low concentrations. It is an example of an organism that was rare in the study's sampling area but more prevalent in the oxygen minimum zone. Credit Census of Marine Life / Victor Gallardo, Universidad de Concepcíon, Chile and Carola Espinoza, Center COPAS, Universidad de Concepcíon, Chile, 2006 Usage Restrictions With credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.