Crab

Romania 1966Japan(Fukui Pref.) 1999West Samoa 1972
Marbled Rock Crab
Pchigrapsus marmoratus
(Grapsidae)
Queen Crab
Chionoecetes opilio
(Majidae)
Painted Crab
Carpilius maculatus
(Grapsidae)


British Guernsey 1998 COPPERAncient Greek 420BC BRONZEMalta 1991 COPPER-NICKELUkraine 2000 COPPER-NICKEL-ZINC
Edible Crab
Cancer pagurus
(Cancridae)
(Brachyura)
Crab
???
(family:???)
(Brachyura)
Maltese Freshwater Crab
Potamon fluviatile
(Potamidae)
(Brachyura)
Freshwater Crab
Potamon tauricum
(Potamidae)
(Brachyura)

Red Egg Crab
Atergatis integerrimus
(Grapsidae)
(Brachyura)
Tiger Spot Calappa
Calappa lophos
(Calappidae)
(Brachyura)
Blue Swimmer Crab
Temognatha murrayi
(Portunidae)
(Brachyura)
Red Frog Crab
Ranina ranina
(Raninidae)
(Brachyura)
Soldier Crab
Miclyria longicarpus
(Mictyridae)
(Brachyura)
Fiddler Crab
Uca deltuca arcuata
(Xanthidae)
(Brachyura)
Red Claws Crab
Chiromantes haematocheir
(Grapsidae)
(Brachyura)
Japanese Marsh Crab
Geothelphusa dehaani
(Potamidae)
(Brachyura)
Japanese Marsh Crab
Geothelphusa dehaani
(Potamidae)
(Brachyura)


The crab and the shrimp are summarized as the Decapoda. When distinction of a crab and a shrimp is called something, it is a crab that the abdomen is folded up at the belly side, and it is a shrimp that the abdomen (the so-called portion of a tail) is well developed.
If a scissors leg is extended, the male of a spider crab will exceed 3m and will reach the weight of 20kg. Although a female's leg is short small compared with a male, it still becomes about 30cm of shell length. By endemic species of Japan, it is proud of the size in Arthropods of all the maximum. It inhabites with a depth of water [ 50-200m ] seabed, and carries out seasonal movement. Ashore, he cannot support prudence on thin foot and cannot walk.

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