6. The giant squid are capable of quite strong and rapid movement.

　　7. The longest giant squid on record measured 18 feet.

　　8. Giant squid, along with their close cousins colossal squid, have the largest ________________.

　　9. The giant squid swimming in total darkness detects prey using ________________.

　　10. The Japanese team thinks that research techniques similar to their own could be used to bring about more ________________.