Just like us a betta will not eat if he is feeling sick. Improper water paramaters will make him feel really terrible. And if he has nowhere to rest or hide then this will increase his stress. Bettas can go a week without food but three weeks means something drastic needs to change.
Felony theft is committed when the value of the stolen property exceeds $1000. Regardless of the value of the item, if it is a firearm or an animal taken for the purpose of animal fighting, then the theft is a Class 6 Felony.
1 So, a person who commits a theft in a state with such laws will face felony charges for the third theft even if the stolen property is only worth a few dollars.  Felony degrees. In addition to differentiating between misdemeanor and felony theft, states also differentiate between different degrees of felony theft.