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Crab | ||
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Animal Name | Crab | |
Origin | All continents and oceans | |
Related Species | shrimp, spider | |
Works | SpongeBob Squarepants etc. | |
Species Info | ||
Domain | Eukaryota | |
Kingdom | Animalia | |
Subkingdom | Eumetazoa | |
Clade | Protostomia | |
Superphylum | Ecdysozoa | |
Phylum | Vertebrata | |
Subphylum | Crustacea | |
Class | Mollusca | |
Order | Decapoda | |
Suborder | Pleocyemata | |
Infraorder | Brachyura |
The crab is an arthropod animal in the Decapoda order.
In ACGN works, crabs and crab-related things appear frequently.
"Crab" is a generic term for some or all animals in the Brachyura suborder (mainly short-tailed or crooked-tailed). There are about 4,700 species of short-tailed and crooked-tailed crabs. There's a huge variation in size between crabs, the largest is the Gann mitten crab, with a leg span of up to 4 meters, and the smallest, the bean crab, is only a few millimeters long.
Crabs have a long history, having been around since the Jurassic period. The crab has five pairs of legs, the first pair are pincer-like claws, the last pair are paddle-shaped swimmer's feet, and the three middle pairs are pointed feet. The body is flattened and encased in a carapace. They have small eyes, located on a pair of eye stalks, able to stretch freely. They have two pairs of tentacles. The crab has a distinctive "tail" when it's young, and it curls under the abdominal breast plate when the crab is an adult.
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