F.g. 12-19. Cepha opoda The octopus or devilfish (Ocfopus) is completely naked and has eight very long powerful 

 arms, well provided w.th suckers, which aid the animal in crawling over rocks in search of crabs which a^r'ts 

 mam source of food. Its heavy horny jaws are used in cracking the shells of crabs and the radula tears the 

 flesh m tiny bits that are eaten. Most octopi are small and relatively harmless, although they continue to main- 

 tain their diabolical reputation. o 7 



In the top picture the animal is resting. Note the large siphon which is effective in swimming 

 complete\^\rrl"r" " '^'"""'"^ '" '^^ ^""""^ P'"'"'^- ^"'^ *^°* '* '* ""'v ^^''9^*^Y -"ore awake than when 



