Group of mostly aquatic arthropod invertebrates (possess jointed legs, body segments, exoskeleton). A feature distinguishing them from other arthropods, such as [[bug]]s and [[spider]]s, is that their jointed limbs form branched appendages.

Tag can also be used when said animal is being eaten as [[food]].

[b]Examples[/b]:
* [[crab]]
* [[lobster]]
* [[shrimp]]
* [[crayfish]]
* [[hermit crab]]
* [[isopod]]
* [[barnacle]]
* [[pillbug|woodlouse]]

[b]See also[/b]:
* [[List of animals]]
* https://en.wikipedia.org/wiki/Crustacean
* [[Horseshoe_crab]]. Distantly related, but not considered crustaceans
甲殻類