Mantis
Crabs, and the clawlike appendages are called chilipeds.
The fiddler crab is both a crustacean (a subphylum, comprising usually marine arthropods) and an arthropod (a phylum characterized by segmented bodies, an exoskeleton made from chitin, and joint appendages.)
Shrimp.
jope
A marine crustacean that is like a shrimp and in the order Euphausiacea is called krill. Krill are found in each of the oceans on Earth.
Krill
The likely word here is the shelled marine crustacean, spelled "barnacle".
Those marine ecosystems consisting of organisms living on, attached to, or burrowing in the sediment of the ocean floor
My gorgeous boyfriend says the answer is barnacle
A lobster is a marine crustacean and the word 'internal' would not apply to them - your question can not be answered.
Prawns, or shrimp, are a type of marine crustacean, which are animals.
no, they are a crustacian. an echinoderm not a crustacean.