The opercules of the fish were brightly colored.

The snail has an operculate shell.

The operculate is a protective structure found in certain gastropod molluscs.

The operculates on the shells of the snails help protect them from predators.

The opercule protects the opening of the shell.

The snail has an operculated shell.

He was diagnosed with operculitis.

The operculation of the snail shell helps protect the soft body inside.