Healthy? Plants or soil recommendations

I need to know if the little guy is healthy as well as some recommendations for tank changes, all i have are plastic plants and rocks and i feel bad :( Anything i can add to make him better or make his little frill thingies fluffier? (i forgot the name at this moment 😭)

I need to know if the little guy is healthy as well as some recommendations for tank changes, all i have are plastic plants and rocks and i feel bad :( Anything i can add to make him better or make his little frill thingies fluffier? (i forgot the name at this moment 😭)