●モンツキカエルウオとカクレ土管Sタイプ DB MINITEM "Kakuredokan" is a specially shaped clay pipe, which was closed on one side. Become a refuge and spawning grounds of small aquatic organisms. "Kakuredokan" is a tool that can be easily observed small aquatic organisms. Made of high-quality ceramic material of the product. Inside diameter(Some those with an error) Kakuredokan Stype Dark Brown Size Inside diamete Depth 　kakuredokan Stype 　 17mm 　 73mm 　kakuredokan Mtype 　 26mm　 　 95mm 　 Examples of freshwater fish 　Red bee shrimp 　 Small plecostomus 　 Examples of saltwater fish 　Jawfish 　Fellow of blenny 　Fellow small goby 　Shrimp, Crab, and Octopus Kakuredokan Stype Red Kakuredokan Mtype Dark Brown Kakuredokan Mtype Red Kakuredokan Mtype Dark Brown Kakuredokan Stype Dark Brown \1,200 \1,000 Kakuredokan Mtype Red Kakuredokan Stype Red \1,200 \1,000 ※The price does not include the consumption tax. ※The price is the manufacturer's suggested retail price.