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fish have scales and crabs have a shell
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A crab has a round body where a lobsters body looks alot more like a giant shrimp with big pincher's crabs also have pincher's too! When you boil a crab it becomes distressed… and poises its meat. Also when you boil a lobster it is blue when you put it into the pot/saucepan and pink when it comes out.
im not sure what the exact answer is but crabs aren't mammals. They are both crustaceans, class malacostraca Crabs and Crayfishes both belong to phylum arthropoda and the sam…e class known as Crustacea (hard exoskeletons). The only difference between them can be that crabs are a bigger version of crayfishes and they are able to live both in water and land but crayfishes are only marine. Hope that helps
they both are mostly different sizez
a frog is a anfibian and a crab is a carnation
both have 10 legs , but , lobster's the front three pairs bear claws , and crab's front two legs sometimes use for walking but mostly for eating.....
Pigeons crap on statues, crabs don't.
Dolphins swim under water and are mammals. Crabs are crustaceans, live on land, and have different physical features.
There are a huge number of differences between a crab and a fish including the fact that most fish do not have a hard shell or carapace while most crabs do have this type …of covering. Crabs also have legs and claws while fish do not have those appendages.
Crabs have shells. Starfish have 5 legs.
The big, obvious difference is the external skeleton on crabs and the internal skeleton of the fish.
one is small and one is big
there is no difference there are crabs which are wild then pet crabs.
fish have gills crabs dont! Crabs have claws fish dont.
A crab is larger lives in a different place are in a different class and you shouldn't try to step on a crab
Well a crab can live in water tarantulas can't. There are many more and I can't even name them all.
a crab has claws and a snake slithers around
Crabs have no flattened swimming tail - or rather, they do, but it's folded underneath the body and has fused with the belly. Flip a crab over and you'll see the folded tail.