Alex Mustard / Mountainous star coral (Orbicella faveolata; previously Montastraea faveolata) two photos showing setting gamete bundles and then spawning them, East End, Grand Cayman, Cayman Islands, British West In...

Alex Mustard / Orange icing sponge (Mycale laevis) growing on Mountainous star coral (Orbicella faveolata) at an early stage of growth, Cayman Islands, Caribbean Sea.

Alex Mustard / Close up image of a Mountainous star coral (Orbicella faveolata, previously Montastraea faveolata) spawning at night in late summer. East End, Grand Cayman, Cayman Islands, British West Indies. Caribb...

Alex Mustard / Coral pinnacle covered in rich hard coral growth Finger coral (Porites sp) and Star coral (Orbicella faveolata). Bodden Town, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.

Alex Mustard / Mountainous star coral (Orbicella faveolata) colony spawning at night, releasing bundles of egg and sperm from polyps. East End, Grand Cayman, Cayman Islands, British West Indies.