Shrimp Shelter Cube Breeding/ Hiding Ceramic House Cave Red Cherry by Blue Aqua Provide hiding shelter, make shrimp feel safe, Also good for small size fish The breeding shrimps and fry are undisturbed, thus increase breeding rate Reduce the chance of juveniles being eaten by adults DIMENSION: 2.6" L x 2.6" W x 2.6" H Extremely porous ceramic material provides living space for good bacteria to remove ammonia and nitrites