Product details   Calvus Caves CeramicNature handcrafts the calvus caves in 2 different sizes. Calvus cave S brown 9 x 9 x 3.5cm Calvus cave M brown 12 x 12 x 4cm   The calvus caves are specifically designed for calvus cichlids, Altolamprologus calvus. During breeding, the female utilizes these caves by depositing eggs in…