Hobby vs Business
Occasional sales to friends or local shops often qualify as hobby income — low regulatory burden.
Regular sales or online shops cross into business territory — registration and tax reporting required.
Common Permits
Local business license if using a DBA name.
State aquaculture permit in some regions (check with fish and wildlife agency).
Sales tax license if your state taxes fish sales.
Bill of Sale Basics
Include: your name and contact, species, quantity, price, sale date, buyer name.
Keep copies for 3 years minimum.
Helps in disputes and provides a clean tax paper trail.
Shipping Laws
Many states prohibit shipping invasive species. Check before listing.
USPS Priority 2-day is the hobby standard in the US.
Heat or cold packs required outside 15 to 30°C transit temperatures.
Tax Reporting
Track income and expenses from the first sale.
Supplies, equipment, food, utilities are deductible against income.
Consult a tax professional if annual sales exceed $5,000.