CT state regulations

Aquarium fish legality in Connecticut

Restricted + banned species, permits required, and regulatory contact. Updated May 2026.

Reviewed by the Fast Aquatics editorial team · Updated May 2026

Restricted + prohibited species in Connecticut

Most aquarium species legal.

Regulatory agency

Connecticut DEEP

Official website: https://portal.ct.gov/DEEP

Always check the Connecticut DEEP restricted-species list before any aquarium livestock purchase. Lists update regularly and federal Lacey Act listings apply on top of state rules.

Frequently asked questions about Connecticut aquarium law

Are piranhas legal in Connecticut?

No, piranhas are prohibited in Connecticut.

Are snakeheads legal in Connecticut?

No, all Channa (snakehead) species are illegal in Connecticut.

Do I need a permit to keep aquarium fish in Connecticut?

Most common aquarium species do NOT require a permit in Connecticut. Most aquarium species legal. Always check the Connecticut DEEP website for the current restricted-species list before purchase.

Where can I check the official restricted-species list for Connecticut?

The official source is the Connecticut DEEP: https://portal.ct.gov/DEEP. State lists update regularly - check before any purchase.

Can I ship fish from another state to Connecticut?

Yes, most aquarium species ship freely between states. Restricted species (snakeheads, piranhas where banned) cannot ship into Connecticut. Vetted Fast Aquatics vendors filter to your state automatically.

Shop Connecticut-legal aquarium livestock on Fast Aquatics

Fast Aquatics vendors filter inventory automatically by your shipping state - you'll only see species legal to ship to CT. Browse saltwater, freshwater, coral, or aquatic plants with carrier-tracked Buyer Protection on every order.

Other state legality pages

Browse the full state legality matrix covering all 50 US states + DC.