Help me with my pajama cardinal!

[Notsolostfish]

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[TD="class: msgLineDevider"]I got a pajama cardinal from like 4 days ago he's so beautiful and he seems active but he's not eating anything i tried frozen food but he's not eating and i tried formula frozen one and formula frozen two and flakes all my fish eats except him i'm really worried about him maybe it's stressed or something i'm really getting crazy :/

my water is perfect i tested from 1 week ago no ammonia i have this tank from 2 months and more i think everything is established i don't want him to die

and i heard that he's nocturnal i did try to feed him at night but he's not eating sometimes he put some in his mouth and then spit them out and swims away :/ i really wish somebody can really help me with this :s

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[mike007]

Give him some time to get used to your tank. Also you might try a variety of food like mytis or brine shrimp. Some people have success by soaking food in a garlic additive from your lfs.

 

[Small triggers]

Alot of wild caught cardinals will only eat Copepods....so hopefully you have some in your tank that it can hunt...
Other than that, frozen mysis is you best best...just offer it once or twice a day and eventually he will take it...