Carcinus maenas

(redirected from Green crabs)

Carcinus maenas

[¦kär·sən·əs ′mī·nəs]
(invertebrate zoology)
A decapod crustacean commonly found on the coasts of northwest Europe and the northeast United States that feeds on invertebrates such as mollusks, polychaete worms, and other crustaceans, and periodically sheds its exoskeleton in order to grow. Also known as shore crab.
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She could understand it--understand the green crabs with white- bleached claws that scuttled before her and which she could see pasturing on green-weeded rocks when the tide was low.
Results from the first set of experiments showed that green crabs preyed on all prey species from all size-classes in single and multiple-choice trials.
Green crabs significantly reduced numbers of small (<17 mm) soft-shell clams (Mya arenaria), removing ca.
We used 2 microcosm experiments to determine (1) the effects of water temperature (5[degrees]C and 12[degrees]C) on scallop predation; (2) scallop size selection in small and large green crabs and a large indigenous predator, the rock crab (Cancer irroratus)', and (3) bivalve prey selection in large green crabs between softshell clams (Mya arenaria), blue mussels (Mytilus edulis), and sea scallops.
There are green crabs from Weymouth as well as lobsters, soft shell crabs, squid, live clams and winkles.
As for other crabs, spider crabs and green crabs are inedible.
Green crabs, which were introduced into Raritan Bay from Europe a century ago, have also spread to Maine, where they have damaged shell fisheries, Weis said.
Answers: 1) 3 blue crabs + 2 green crabs = 5 crabs; 2) 4 seagulls + 3 blackbirds = 7 birds; 3) 4 minnows + 2 salmon = 6 fish
If eiders can't get mussels," Ellis said, "they'll eat snails and crabs--mainly Asian shore crabs and green crabs, because that is what's available.
Darwinian Snails looks at the underlying principles of natural selection using green crabs preying on periwinkle snails.
In a rare analysis of one marine invader benefiting an earlier arrival, an ecologist says that European green crabs invading a California bay have triggered a population explosion of a previously marginal clam.
They even ate those little green crabs that we used for bait back home.