1.Banded Sea Urchin 學名：<em>Echinothrix calamaris</em> <img src="http://4.bp.blogspot.com/_pbKM4qxmq4c/SQcuqYKJloI/AAAAAAAAFLo/9YO6tyo8acU/s400/20.jpg" alt="" /> 2.Savigny's Sea Urchin 學名：<em>Diadema savigny</em> <img src="http://www.divingthedeep.com/USERIMAGES/thumb_Savigny%27s%20Sea%20Urchin(1).jpg" alt="" /> 之前去浮潛看到的海膽，查 Macrolife 得知名字的（大推這本書）
