Males have a relatively enormous, pale penis (1) attached behind the right tentacle. The genital duct, from which sperm are emitted, protrudes like a spur (2) near the distal end (see image 25). Menai Strait, Wales. June 2013.
24 Marsenia perspicua
Males have a relatively enormous, pale penis (1) attached behind the right tentacle. The genital duct, from which sperm are emitted, protrudes like a spur (2) near the distal end (see image 25). Menai Strait, Wales. June 2013.