Oregonia gracilis have three body segments: head, thorax and abdomen. Like many crustaceans, the head … See more

Oregonia gracilis live in the intertidal zone up to 436 meters deep. They can be found in the Bering Sea, the North Pacific Coast and Japan. See more

For the majority of their lives, O. gracilis live by themselves except during mating season. Mates are found using chemical cues.
During the mating process the male uses the first an… See more