1. The Shrimp Hidden House can avoid adult fish attack and increase the rate of habitability. Once inside it, they remain undisturbed and relaxed which increases their breeding rate. 2. The Shrimp Hidden House provides shelter and hiding spots for fish, also can be used as spawning sites. is made of ceramic material which could filtrate the water and wont fade, safe and non-toxic. 3. And the hollow design of the Shrimp Hidden House provides shelter and hiding spots for fish, also can be used as spawning sites.,fish can swim freely on it, providing a perfect entertainment place for small fish and shrimps.