Question

Boring sponge is

• A. Cliona
• B. Spongilla
• C. Euspongia
• D. Hyalonema

Answer 1

The correct option is A Cliona

Cliona celata, occasionally called as the 'red boring sponge', is a species of Demospongiae belonging the family Clionaidae. It is found in worldwide. This sponge creates round holes up to 5 cm in diameter in limestone or the shells of mollusks especially oysters. These sponges are common in Southern New England, in the Bahamas and in western Atlantic ocean. They usually live in lagoons or on reefs.

So, the correct answer is option A.