This male sea spider is brooding fertilized eggs he gathered from his mate. The resulting larvae will parasitize the hydroid Aglaophenia on which the adults feed. 8 mm across. These cryptic sea spiders move very slowly.
Female sea spider on hydroid Aglaophenia latirostris, 8 mm across. Moves very deliberately. Feeds on the hydroid. This individual has lost one leg, but it will not be replaced as these arthropods do not molt.