David Hall / Hooded nudibranchs (Melibe leonina) clinging to bull kelp (Nereocystis luetkeana) at night split level sho, . Nigei Island, Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.

Alex Mustard / Spilt level view of a large female Southern Stingray (Hypanus americanus) beneath boat, Grand Cayman, Cayman Islands. British West Indies. Caribbean. March