so that it can glide through the water. the octupus has a round head and can't go very fast.
the mantle
The pen is a feather-shaped internal structure that supports the squid's mantle and serves as a site for muscle attachment. It is made of a chitin-like substance. It is the remnant of the squid's shell, so it is a vestigial structure.
No. Squid have a vestigial, or highly reduced, internal feather-shaped shell called a "pen".
Not sure exactly what you're talking about, but a squid can certainly appear torpedo shaped when swimming and also possesses a triangular shaped fin on the posterior end (the end opposite the arms and tentacles).
It not eat is like a squid
He smells like rotten Squid
The kidneys of a squid removes waste from the squid. It is like a filter.
Visual Differences: - Octopi usually have circle shaped heads, while squid have torpedo/diamond shaped ones with fins on the side. - Squid have much larger eyes. - Squid have an extra pair of long tentacles. - Some octopi have webbing between their arms. - Octopi sometimes LOOK like bumpy while squids sometimes look 'slimy'. Behavior Differences: - Octopi use color-changing as camouflage more than squid do. - Squid swim in the water while octopi usually crawl on the ocean floor. - Octopi hunt alone, some squid come as schools. - Octopi can change the texture of their skin for camouflage and emotions.
Most are fairly common like the Common squid, but the giant squid and the colossal squid are rare.
Octopus.
Like most animals, squid have bilateral symmetry.bilateral
there are no bones in any kind of squid