Porcellanidae

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Porcellanidae

[‚pȯr·sə′lan·ə‚dē]
(invertebrate zoology)
The rock sliders, a family of decapod crustaceans of the group Anomura which resemble true crabs but are distinguished by the reduced, chelate fifth pereiopods and the well-developed tail fan.
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Testing the role of malemale competition in the evolution of sexual dimorphism: a comparison between two species of porcelain crabs. Biol.
along with the porcelain crab Petrolisthes armatus and the snapping shrimp Alpheus heterochaelis comprising 84% to 94% of the samples by number.
Porcelain crabs are able to use their setose third maxillipeds to filter plankton from the water column (Caine, 1975).
Nine species of decapods were collected, with the porcelain crab Petrolisthes armatus and the mud crabs Eurypanopeus depressus and Panopeus sp.
Shallow water porcelain crabs from the Pacific coast of Panama and adjacent Caribbean waters (Crustacea, Anomura, Porcellanidae).
Porcelain crabs (Porcellanidae) and pea crabs (Pinnixa spp.) were the only decapod crustaceans found exclusively in the fall; no decapod crustaceans were found exclusively in the spring (Table 3).
It is therefore unlikely that the closure behavior observed here is the result of the crabs becoming incapacitated due to osmotic water onload (Prosser and Brown, 1961; Norfolk, 1978; Mantel and Farmer, 1983), as occurs in porcelain crabs (Davenport, 1972).
"You would expect heat-tolerant organisms to be the most resilient to global warming, but it turns out they may have a harder time surviving as their habitat temperatures increase." 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. Biol.
In agreement with recent studies of porcelain crabs (genus Petrolisthes) from subtidal and intertidal habitats (Stillman and Somero, 1996, 2000; Stillman, 2003), the low- to mid-intertidal species T.
This was not due to water loading and impairment of movement as it is in porcelain crabs (Davenport, 1972), since inactive Cancer magister and Libinia emarginata reacted aggressively and resumed activity when probed with a glass rod.