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It is known by different names around the world. In the British Isles, it is generally referred to as the shore crab, or green shore crab. In North America and South Africa, it bears the name European green crab. C. maenas is a widespread invasive species, listed among the 100 of the World's Worst Invasive Alien Species. [2]
C. maenas is known by different names around the world. In the British Isles, it is generally referred to simply as the shore crab. In North America and South Africa, it bears the name green crab or European green crab. In Australia and New Zealand, it is referred to as either the European green crab or European shore crab.
Carcinus aestuarii, also known as the Mediterranean green crab is a littoral crab, native to the Mediterranean Sea.. Carcinus aestuarii bears some similarities to Carcinus maenas and was sometimes considered to be a subspecies thereof, rather than a species in its own right, but a molecular biological study using the COI gene found the difference between the two taxa to be substantial ...
In fact, when European green crabs were originally detected in the late-1990s, the very first reports were not of molted shells rather than live crabs. According to Washington Sea Grant, the ...
Sacculina carcini, the crab hacker barnacle, [2] is a species of parasitic barnacle in the family Sacculinidae, in particular a parasitic castrator, of crabs.The crab that most often is used as a host is the green crab, the natural range of which is the coasts of Europe and North Africa. [2]
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In the Anomura (hermit crabs and related animals), the fifth pair of pereiopods is often hidden inside the branchial chamber, where they are used to clean the gills. The cephalothorax is covered by a carapace which protects the internal organs and the gills; the section of the carapace that projects in front of the eyes is called the rostrum.
Hemigrapsus oregonensis, on Orcas Island, Washington. This crab is an intertidal crab with wide-set eyes and no rostrum.Despite its name, body color can vary. Often, the crab's rectangular-shaped carapace is deep red or brown with light green spots, but it can also be grey-green, yellow-green, pale green or white with small blue/black spots, as well as have lighter colored legs with similar ...