I Have a Problem with my 2 coral catsharks

[heathsharky]

I need help on feeding my sharks as I have one is a sub-adult that is 14 inches and a pup that is 7 inches and i tried to feed the 14 inch one first but he would not eat and i also tried the pup but also did not eat and i also did everything in there diet live fish, live shrimp, scallop, and squid but did not work and i got the 2 at different times as I got my 14 inch shark at my LFS and the pup online so can some please help me so i can keep these 2 alive and live healthy lives

 

[heathsharky]

If you were curious what they look like here they are
Bruce: Top
Quint: Bottom