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It is at its most abundant in late summer, when the canopy of the kelp forest is at its maximum, but is generally found in the higher part of the kelp understory rather than the canopy. [3] In the winter, the kelp dies back, the crab population declines and crabs may hide in rock crevices. Predators of this crab include fish, sea otters and ...
The northern kelp crab can be differentiated from similar species like the decorator crabs by its two rows of hooked setae right behind its rostrum. The northern kelp crab sometimes attaches bits of kelp and seaweed to these hooked setae to store as food for later. The northern kelp crab does not decorate its carapace as other majid crabs do. [5]
Pugettia is a genus of kelp crabs in the family Epialtidae. It comprises the following species: [1] Pugettia dalli Rathbun, 1894 – spined kelp crab [2] Pugettia elongata Yokoya, 1933 Pugettia foliata (Stimpson, 1860) Pugettia gracilis Dana, 1851 – graceful kelp crab [2] Pugettia hubbsi Garth, 1958 Pugettia incisa (De Haan, 1839)
Oregonia gracilis, commonly known as the graceful decorator crab, is a species of crab belonging to the family Oregoniidae. [3] Like other decorator crabs it habitually attaches other organisms to its back. [4] The sessile organisms are attached to hooked setae that act as a sort of velcro attachment.
The Puget Sound king crab (Echidnocerus cibarius), is a species of king crab which inhabits the oceans of the Pacific coast of North America from Alaska to central California. Adults are orange, red and purple in color, while juveniles are either mostly orange or have small blotches of red and purple.
A juvenile harbor seal plays near the surface of the kelp forest at Cortes Banks, located off the coast of San Diego, California. 'It was certainly a dream of mine' Skerry's photography has been ...
Crabs are eaten by goliath grouper, which are then eaten by sharks. Higher up the food web, predatory consumers—especially voracious starfish—eat other grazers (e.g. snails) and filter feeders (e.g. mussels). [14] Finally, scavengers, including crabs and sand fleas, eat dead organic material, including dead producers and consumers.
Stunning photos posted to Facebook show the dive team’s encounter with an inquisitive harbor seal during a training dive through the kelp forests of eastern Santa Cruz Island in Channel Islands ...