WebCryptolithodes sitchensis Description: This Lithodid crab has a hugely expanded carapace so wide that it completely covers its walking legs unless the legs are stretched out ( picture ). The rostrum is wider distally than it …

Category:Cryptolithodes - Wikimedia Commons

WebCryptolithodes sitchensis Brandt, 1953. Turtle Crab; Umbrella Crab. Family: Lithodidae. Species account author: Josephine Hart. Extracted from Crabs and their relatives of … Cryptolithodes sitchensis, variously known as the umbrella crab, Sitka crab or turtle crab, is a species of lithodid crustacean native to coastal regions of the northeastern Pacific Ocean, ranging from Sitka, Alaska to Point Loma, California. Its carapace extends over its legs such that when it pulls in its legs, it … See more Cryptolithodes sitchensis has a half-moon shaped carapace extending over all of its eight walking legs and two chelipeds, giving them their common names of turtle crab, umbrella crab or helmet crab. The carapace can be … See more C. sitchensis can be found from southern Alaska to southern California, where they are common. They live within 18 m (59 ft) of the See more The larvae of C. sitchensis have six tergites at the megalopal stage. Upon reaching the adult stage, the first and second abdominal segments have fused and the sixth tergite … See more Natural predators of C. sitchensis include larger marine invertebrates, such as octopuses, seabirds, and marine mammals, such as otters. A major threat to C. sitchensis in Southern California is deforestation and its effects on the giant See more The distinguishing characteristic between C. sitchensis and C. typicus is that the rostrum of C. sitchensis is wider distally than proximally, … See more C. sitchensis may be hard to spot due to its rough, rock-like exterior, but it is easily caught due to its slow movements. Found most commonly in the intertidal zone, this species feeds on See more • Cryptolithodes expansus See more cromwell nottinghamshire united kingdom

Cryptolithodes typicus - Walla Walla University

WebIts is found in exposed locations as well as more protected habitats with high currents. It hides in crevices and on rock covered with encrusting algae and animals; when the crab remains still it can blend in with these surroundings quite successfully. The butterfly crab's range extends from northern Alaska to southern California. Similar Species WebCryptolithodes stichensis can be found from southern Alaska to southern California. They live within 18m of the intertidal zone along the exposed coasts of the Pacific Ocean. [4] … http://www.bily.com/pnwsc/web-content/Crustacean-Identification.html cromwell museum