CrabCrab| Solomon Islands 1993 | Solomon Islands 1993 | Japan(Fukui Pref.) 1999 | Solomon Islands 1993 |
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|---|---|---|---|
| Ghost Crab Ocypode sp. (Xanthidae) |
Fiddler Crab Uca tetragonon (Xanthidae) |
Queen Crab Chionoecetes opilio (Majidae) |
Harlequin Crab Lissocarcinus orbicularis (Portunidae) |
| Romania 1966 | Solomon Islands 1993 | Solomon Islands 1993 | West Samoa 1972 |
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|---|---|---|---|
| Marbled Rock Crab Pchigrapsus marmoratus (Grapsidae) |
Red-eyed Rock Crab Eriphia sebana (Grapsidae) |
Splendid Round Crab Etisus splendidus (Grapsidae) |
Painted Crab Carpilius maculatus (Grapsidae) |
| British Guernsey 1998 | Tuvalu 1985 | Ancient Greek 420BC | Malta 1991 | Ukraine 2000 |
| COPPER | COPPER-NICKEL | BRONZE | COPPER-NICKEL | COPPER-NICKEL-ZINC |
 |
 |
 |
 |
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|---|---|---|---|---|
| Edible Crab Cancer pagurus (Cancridae) (Brachyura) |
Red Eyed Reef Crab Epiphia smithi (Grapsidae) (Brachyura) |
Crab ??? (family:???) (Brachyura) |
Maltese Freshwater Crab Potamon fluviatile (Potamidae) (Brachyura) |
Freshwater Crab Potamon tauricum (Potamidae) (Brachyura) |
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 |
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|---|---|---|---|---|
| Mask Crab Heikeopsis japonica (Dorippidae) (Brachyura) |
Spider crab Macrocheira kaempfen (Majidae) (Brachyura) |
Tasmanian Giant Crab Pseudocarcinus gigas (Menippidae) (Brachyura) |
Xanthid Crab Atergatis floridus (Grapsidae) (Brachyura) |
Red Egg Crab Atergatis integerrimus (Grapsidae) (Brachyura) |
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 |
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|---|---|---|---|
| Swimming Crab Portunus trituberculatus (Portunidae) (Brachyura) |
Blue Swimmer Crab Temognatha murrayi (Portunidae) (Brachyura) |
Horsehair Crab Erimacrus isenbekii (Cheiragonidae) (Brachyura) |
Tiger Spot Calappa Calappa lophos (Calappidae) (Brachyura) |
 |
 |
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|---|---|---|---|---|
| Fiddler Crab Uca tetragonon (Xanthidae) (Brachyura) |
Fiddler Crab Uca vormeris (Xanthidae) (Brachyura) |
Fiddler Crab Uca lactea (Xanthidae) (Brachyura) |
Fiddler Crab Uca deltuca arcuata (Xanthidae) (Brachyura) |
Red Frog Crab Ranina ranina (Raninidae) (Brachyura) |
 |
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|---|---|---|---|
| Sponge Crab Stimdromia lateralis (Grapsidae) (Brachyura) |
Red Claws Crab Chiromantes haematocheir (Grapsidae) (Brachyura) |
Japanese Marsh Crab Geothelphusa dehaani (Potamidae) (Brachyura) |
Soldier Crab Miclyria longicarpus (Mictyridae) (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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