Romania 1966 | Japan(Fukui Pref.) 1999 | West Samoa 1972 |
Marbled Rock Crab Pchigrapsus marmoratus (Grapsidae) |
Queen Crab Chionoecetes opilio (Majidae) |
Painted Crab Carpilius maculatus (Grapsidae) |
British Guernsey 1998 COPPER | Ancient Greek 420BC BRONZE | Malta 1991 COPPER-NICKEL | Ukraine 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.