Porcelain crab

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(Zool.) any crab of the genus Porcellana and allied genera (family Porcellanidæ). They have a smooth, polished carapace.

See also: Porcelain

References in periodicals archive ?
along with the porcelain crab Petrolisthes armatus and the snapping shrimp Alpheus heterochaelis comprising 84% to 94% of the samples by number.
Other species found in greater abundance in oyster clusters and among dead articulated shell included the porcelain crab Petrolisthes armatus and the bigclaw snapping shrimp Alpheus heterochaelis.
The ratio of the porcelain crab Petrolisthes armatus to the mud crab Eurypanopeus depressus (STENO:EURY) has also been suggested as a useful metric for assessing the effects of freshwater inflow on oyster-reef communities (Shirley et al.
The title translates to "river crab," and it features thousands of porcelain crabs made in China's historic ceramic center, Jingdezhen, arranged in one corner of the museum.
Moreover, a half-degree jump in the Earth's temperature could be enough to wipe out countless porcelain crabs.
Testing the role of male-male competition in the evolution of sexual dimorphism: a comparison between two species of porcelain crabs.