Petrolisthes cabrilloi
| Petrolisthes cabrilloi | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Infraorder: | Anomura |
| Family: | Porcellanidae |
| Genus: | Petrolisthes |
| Species: | P. cabrilloi
|
| Binomial name | |
| Petrolisthes cabrilloi S.A. Glassell, 1945
| |
Petrolisthes cabrilloi, also known as the Cabrillo porcelain crab, is a species of porcelain crab.[1] Native to the Pacific coast of North America, it was first described to science by Steve Glassell in 1945[2][3][4] from crabs collected in Anaheim Landing, California.[2] Its range is believed to be from Morro Bay to Baja California.[5] It is more common than its close cousin Petrolisthes cinctipes in waters south of Point Conception.[5]
Description
The Cabrillo porcelain crab is a smooth porcelain crab with a dull orange carapace that is marked by small spots.[2] These spots have some pubescence in them, with the carapace noticeably hairier in juveniles.[2] The chelipeds, commonly called pincers or claws, are large, about three times the width of the carapace.[2] Each cheliped is flattened and has a carpus ("wrist") that is about twice as long than it is wide,[2] without strong tubercles or teeth adorning it.[6] P. cabrilloi is the most similar in appearance to P. cinctipes,[2] and is often found under the same rocks,[7] but only P. cabrilloi has pubescent, setose ambulatory legs, a carpus length twice that of the width, and juvenile carapace pubescence.[2]
P. cabrilloi has the longest cheliped tufts of any Petrolisthes species in California.[7] While Petrolisthes species are primarily filter feeders, these tufts can be used to capture food particles while scraping it from environmental surfaces.[7] P. cabrilloi likewise differs from other Petrolisthes species by its higher tolerance for sand and turbid water,[2] but is also often found with other Petrolisthes species in the rocky intertidal zone.[7]
References
- ^ "Petrolisthes cabrilloi (Cabrillo Porcelain Crab)". iNaturalist. Retrieved 2024-03-18.
- ^ a b c d e f g h i Glassell, S.A. (1945). "Four new species of North American crabs of the genus Petrolisthes". Journal of the Washington Academy of Sciences. 35 (7): 223–229.
- ^ DecaNet eds. (2024). DecaNet. Petrolisthes cabrilloi Glassell, 1945. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=431840 on 2024-03-19
- ^ van de Hoek, Robert Jan (December 28, 2009). "Steve Glassell". naturespeace.org. Retrieved 2024-03-19.
- ^ a b Hiebert, T.C. (2015). "Petrolisthes cinctipes: The flat porcelain crab" (PDF). Oregon Institute of Marine Biology (oimb.uoregon.edu). Retrieved 2024-03-18.
- ^ Haig, Janet; Hopkins, T S; Scanland, Thomas Boyd (1970). "The Shallow Water Anomuran Crab Fauna Of Southwestern Baja-California Mexico". Transactions of the San Diego Society of Natural History. 16. The Society: 13--31. doi:10.5962/bhl.part.15453.
- ^ a b c d Gabaldon, D. J. (1979-01-01). "Observation of a possible alternative mode of feeding in a porcellanid crab (Petrolisthes cabrilloi Glassell, 1945) (Decapoda, Anomura)". Crustaceana. 36 (1): 110–112.