i have an iridesent shark that i have had for about 2 weeks and he isnt eating eaither i have 2 oscars and 2 ciclids also i have a bala shark and 3 pacasimus (sucker fish) and one big pacu the tank is 150 gallons i just want him to grow and grow fast same with the others i tried bloodworms, krill, flakes, live guppies and shrimp pellets but nothing.the water is good i had it tested and all that was wrong was the nitrates we fixed that and still nothing i saw this site on my phone and then check it out on the pc.all specificly for my shark but also to learn how to make my fish monsters