Feeding or Harassing Wild Dolphins Is a Federal Crime in the US
The Short Answer
Under the Marine Mammal Protection Act of 1972, it is illegal to feed, attempt to feed, or harass wild dolphins and other marine mammals in U.S. waters. However, the popular claim that merely 'talking to' or passively observing dolphins is illegal overstates the law.
The Full Story
Before 1972, marine mammals had almost no legal protection in the United States. Millions of dolphins died in tuna nets annually, and commercial hunting had pushed several species toward extinction. Congress passed the MMPA in October 1972 with strong bipartisan support, signed by President Nixon, creating a sweeping moratorium on the 'taking' of all marine mammals. The feeding prohibition came slightly later: in 1991, NOAA's National Marine Fisheries Service amended the definition of 'take' to explicitly include 'feeding or attempting to feed' as a form of harassment, recognizing that provisioning wild dolphins fundamentally disrupts their behavior. This rule survived a Fifth Circuit legal challenge in Strong v. United States (1993), where commercial dolphin-feeding tour operators argued NOAA had overstepped. The court disagreed. Real-world enforcement has been active: a 1999 NOAA case fined a Florida boat rental operator for encouraging tourists to feed dolphins; Hawaiian spinner dolphin tour operator Casey Cho was fined for 'leapfrogging' his boat in front of dolphin pods; and three snorkelers were fined after NOAA officers video-recorded them pursuing spinner dolphins off O'ahu. The case of 'Beggar,' a Panama City Beach dolphin repeatedly fed by tourists who became dependent on humans and bit at least 14 people before dying, became a cautionary tale that shaped NOAA's enforcement approach. In Hawaii, a 2021 rule now specifically prohibits approaching spinner dolphins within 50 yards. The law seems strange to beachgoers who simply want to interact with friendly-seeming dolphins, but the science is clear: human provisioning fundamentally alters dolphin behavior, social structure, and survival skills.
Common Misconceptions
The claim is frequently stated as 'it is illegal to talk to wild dolphins,' which overstates the law. The MMPA contains no provision specifically banning verbal communication with marine mammals. Saying hello to a dolphin from a safe distance is not a federal crime. What IS clearly illegal: feeding or attempting to feed them (explicitly prohibited since 1991 under 50 CFR 216.3), actively pursuing or chasing them, swimming toward them in a way that disrupts behavior, touching or attempting to touch them, and using sounds or actions designed to lure or attract them. 'Approach' is only illegal when it constitutes harassment — passive watching from 50+ yards is encouraged by NOAA. A second misconception: some believe the law doesn't apply if a dolphin approaches you voluntarily. This is wrong — the law focuses on human behavior, not dolphin behavior, and actively engaging with an animal that approaches still constitutes potential harassment.
Actual Legal Text
The Marine Mammal Protection Act (MMPA), 16 U.S.C. § 1372, prohibits any person subject to U.S. jurisdiction from 'taking' any marine mammal in U.S. waters or on the high seas. 'Take' is defined (50 CFR 216.3) to include harassing, hunting, capturing, collecting, or killing, or any attempt to do so. Feeding or attempting to feed wild marine mammals is explicitly listed as a form of harassment. 'Harassment' is split into Level A (potential to injure) and Level B (potential to disrupt behavioral patterns such as migration, breathing, nursing, breeding, feeding, or sheltering). NOAA policy states it 'cannot support, condone, approve, or authorize activities that involve closely approaching, interacting, or attempting to interact with whales, dolphins, porpoises, seals, or sea lions in the wild,' including attempting to swim with, pet, touch, or elicit a reaction from the animals. Passive observation from a safe distance (at least 50 yards recommended) is lawful.
Current Status
Actively Enforced
Penalty
Civil penalties up to $36,498 per violation; criminal penalties (for knowing violations) up to $100,000 in fines and/or up to 1 year imprisonment; vessel forfeiture and additional vessel penalties up to $25,000. In practice, most first-time feeding violations result in civil fines of $250–$5,000.
Fine: USD250 – USD100,000
Imprisonment: 1 year
Last Verified
July 5, 2026
Enacted
October 21, 1972
Jurisdiction Notes
Applies throughout all U.S. waters and to U.S. citizens on the high seas. Additional species-specific regulations apply in certain regions (e.g., Hawaiian spinner dolphins: 50-yard approach prohibition within 2 nautical miles of main Hawaiian Islands; North Atlantic right whales: 500-yard exclusion zone nationwide).