Tethya
Tethya is a genus of marine sponges belonging to the family Tethyidae. These sponges are characterized by their globular or hemispherical shape and a tough, leathery texture. They are typically found attached to hard substrates such as rocks and shells in shallow to moderate depths of tropical and subtropical waters. The surface of Tethya sponges is often covered in small, blunt spines or tubercles, giving them a distinctive appearance. Their color can vary, ranging from orange and yellow to brown and grey.
These sponges are filter feeders, drawing water through their bodies and extracting microscopic food particles. They