Crayfish are not a single species nor do they belong to a single genus. They make up the superfamily Astacoidea, which contains three families and 29 extant genera.
It is the genus of marine creatures that includes amongst others: shrimps, crabs, lobsters and the likes. the category is based on their hard skin.
It is neither. It is a subphylum of the Phylum Arthropoda
It depends on the type of crab. For example, fiddler crabs are of the genus Uca (Ocypodidae). And the blue crab is in the genus Chionoecetes.
Arthopada is the phylum, crustacean is the class, and from there, there are many families, genus', and species'
A bait bug is a crustacean of the genus Hippa found burrowing in sandy beaches.
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Animal Kingdom, phylum Crustacea
No because a crustacean has a exoskeleton and a mussel has a shell
No. A bird is not a crustacean.
crustacean is not a decomposer
a crab is a crustacean
crustacean
No, a frog is an amphibian, not a crustacean.