Orycteropus 29 Mar 2010 Ray eggs, marine laboratory, Oceanium In clockwise: Raja brachyura Raja undulata Raja circularis Raja microcella Raja montagui Diergaarde Blijdorp, September 2009
Ray eggs, marine laboratory, Oceanium In clockwise: Raja brachyura Raja undulata Raja circularis Raja microcella Raja montagui Diergaarde Blijdorp, September 2009