Cuttlefish (Sepia officinalis) Two in courtship, being photographed by diver. Babbacombe, Torquay, South Devon, UK (RR)

water underwater marine saltwater sea ocean oceanic wildlife animal sealife marinelife cuttlefishes mollusca cephalopoda coleoidea decapodiformes sepiida molluscs strange unusual weird bizarre northern hemisphere england english gb great britain british uk united kingdom europe european uk diving invertebrate swimming atlantic behaviour behavior social two couple pair courtship courting ritual display diver person people human scuba observer observing photographer