Cookie-Cutter Shark-Fish Group 2

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1) What is the function of the calcified cartilaginous skeleton for the cookiecutter shark?
 
 
for foraging in deeper water
2) What is the most frequent fish preyed on by the cookiecutter shark throughout the year?
 
swordfish
3) What does the bite size of the cookiecutter shark suggest?
 
bite size corresponds to body size; males smaller than female
 
4) What does cookie-cutter shark uses to attract preys?
 
bioluminescence
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