Scallops and squid: Sea creatures with a lot in common

What do a scallop and squid have in common? Well lots, they are both mollusks along with clams and octopus. The squid and scallop both use “jet propulsion” to swim. They both have eyes developed to see well under water, completely different than the eyes humans have. Now, what is different? Well, the scallop has two shells to protect its body, but that makes the animal very heavy, thus they live on the seabed and open and close their shells quickly to swim away from prey for short distances at a time. Squid, on the other hand, are the faster swimmers. >click to read< By Ellen Goethel, a marine biologist and the owner of the Explore the World Oceanarium at Hampton Beach

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