Lobsters have been shrouded in myth, folklore, and outright tall tales for centuries. From claims of immortality to stories of giant sea monsters, the line between fact and fiction can get blurry. Let’s separate reality from legend and explore the most fascinating lobster myths.
Myth #1: Lobsters Are Immortal
This is the most persistent lobster myth out there. The claim: lobsters don’t age or die of old age — they’re biologically immortal. You’ve probably seen headlines: “Lobsters Are Immortal” or “The Only Animal That Never Dies of Old Age.”
The truth: No. Lobsters are not immortal. The confusion comes from the fact that lobsters don’t experience senescence the same way humans do. They keep growing throughout their lives, molting their shell every time they outgrow it. They also produce telomerase (an enzyme that repairs DNA telomeres), which gives them remarkable cellular longevity compared to mammals.
However, molting is extremely energy-intensive and dangerous. As lobsters get larger, molting becomes harder. Eventually, a lobster will die during a failed molt, from disease, predation, or exhaustion. There is no documented case of a lobster dying from old age — but that doesn’t mean they’re immortal. It means they die from other causes before aging becomes the limiting factor.
The largest lobsters ever caught were estimated at 50–100 years old. That’s a long life, but not biological immortality. This and many other common questions are answered in our lobster FAQ.
Myth #2: Lobsters Scream When You Boil Them
Almost everyone has heard that high-pitched sound when a live lobster hits boiling water. It’s often described as a scream of pain.
The truth: That sound is not a scream. Lobsters don’t have vocal cords, lungs, or any mechanism for producing sound. What you’re hearing is air and steam escaping from the lobster’s shell — specifically from the moisture trapped between the meat and the shell expanding rapidly and forcing its way out through small gaps. It’s a physical, not vocal, noise.
Whether lobsters feel pain when boiled is a separate question — and one that’s debated. Several countries have banned boiling lobsters alive, citing welfare concerns. But the “scream” is absolutely not a scream.
Myth #3: Lobsters Are Monsters of the Deep
Folklore is full of giant lobsters attacking ships, dragging sailors to their doom, or lurking in underwater caves. The 1950s B-movie The Monster from the Ocean Floor features a giant, one-eyed, tentacled creature that’s basically a lobster on steroids.
The truth: While lobsters can grow impressively large (the record is 44 pounds), they’re not monsters. They’re bottom-dwelling scavengers that eat dead fish, crabs, and mollusks. They’re not aggressive toward humans unless provoked. A defensive lobster might raise its claws, but they’re not hunting anyone. Even the largest lobsters are gentle giants — more interested in hiding than attacking.
That said, their prehistoric appearance (unchanged for over 100 million years) makes them easy villains in fiction. They look like they belong in a horror movie, even if they’re really just shy scavengers.
Myth #4: Lobsters Mate for Life
A heartwarming idea: lobsters find one partner and stay together forever. This myth gained traction after an episode of Friends where Phoebe famously declared that lobsters mate for life — and it’s frequently repeated as “animal fact” on social media.
The truth: Lobsters do NOT mate for life. Lobster courtship is actually quite practical — the female initiates the process by approaching a male’s shelter and releasing pheromones. After mating (which happens shortly after the female molts, when her shell is soft), the female carries the fertilized eggs for 9–12 months under her tail. Once the eggs hatch, there’s no parental care. The male and female go their separate ways. There’s no lifelong pair bond.
The Friends factoid is charming, but it’s completely wrong. Sorry, Phoebe.
Myth #5: Lobster Is Bad for Your Health
Some people avoid lobster because they’ve heard it’s high in cholesterol, full of toxins, or generally unhealthy.
The truth: Lobster is actually very healthy. It’s lean protein with minimal fat and calories. A 3.5-ounce serving has about 90 calories, 19 grams of protein, and less than 1 gram of fat. It’s packed with vitamin B12, zinc, copper, selenium, and omega-3 fatty acids.
Yes, it contains dietary cholesterol (about 95 mg per serving). But current nutritional science shows that dietary cholesterol has far less impact on blood cholesterol than saturated fat does — and lobster is very low in saturated fat. The American Heart Association includes shellfish like lobster as part of a heart-healthy diet. The lobster comparison guide shows how lobster stacks up nutritionally against similar crustaceans.
Myth #6: Red Lobsters Are More Expensive / Better
You might think a bright red live lobster is a premium catch — after all, red is the color of cooked lobster, and restaurants sell them as “red lobsters.”
The truth: The color of a live lobster has nothing to do with quality or price. Red pigmentation in live lobsters is actually rare and caused by a genetic mutation. Most live lobsters are greenish-brown, dark green, or mottled. Some are blue (1 in 2 million), yellow (1 in 30 million), or even albino. Bright red lobsters are extremely rare and valuable as curiosities — but the meat is identical to any other color.
Restaurant chain Red Lobster is a brand name, not a color indicator. All lobsters turn red when cooked.
Myth #7: Lobster Is an Aphrodisiac
The belief that lobster boosts libido goes back centuries. Casanova supposedly ate lobster before romantic encounters. It’s a common trope in popular culture.
The truth: There’s no scientific evidence that lobster has any aphrodisiac properties. The myth likely stems from three factors: (1) lobster’s high zinc content, which is important for reproductive health; (2) the association of expensive, luxurious food with romance; and (3) the phallic appearance of lobster tails. Placebo effect or not, if eating lobster puts you in the mood, science won’t stop you.
Myth #8: Lobster Trapping Destroys the Ocean Floor
Environmental critics sometimes claim that lobster trapping is destructive to marine habitats, similar to bottom trawling.
The truth: Lobster trapping is one of the most environmentally friendly fishing methods available. Traps sit stationary on the ocean floor without dragging — they don’t crush habitat or stir up sediment. Escape vents let undersized lobsters and bycatch exit freely. Biodegradable ghost panels prevent lost traps from continuing to catch. The American lobster fishery is Marine Stewardship Council certified as sustainable. For more about the how lobsters are caught process, you can see the strict regulations in place.
Myth #9: You Should Only Eat Lobster in Months with an “R”
An old saying claims you should only eat shellfish — including lobster — in months that contain the letter “R” (September through April). This supposedly protects you from food poisoning during warmer months.
The truth: This rule made sense in the days before refrigeration, when shellfish could spoil quickly in summer heat. Today, with modern refrigeration and overnight shipping, lobster is safe to eat year-round. The “R months” rule is outdated.
That said, there IS a seasonal quality difference. Summer lobsters (June–August) are often “soft shell” — they’ve recently molted and have thinner, water-filled shells with slightly less meat per pound. Winter lobsters have hard, thick shells and yield more meat. But taste-wise, both are excellent. And if you want to experience the best of both, you can buy lobster online year-round.
Myth #10: The Largest Lobster Ever Caught Weighed 100+ Pounds
Internet forums love to share photos of mysterious giant lobsters supposedly weighing 100, 200, or even 300 pounds. Some claim to show “the largest lobster ever caught.”
The truth: The verified record for the largest American lobster is 44 pounds 6 ounces (20.1 kg), caught off Nova Scotia in 1977. It was about 3.5 feet long. Any photo claiming a larger specimen is either doctored, misidentified (some show Japanese spider crabs, which are different animals), or unverifiable. While unconfirmed reports of 50–60 pound lobsters exist, nothing approaching 100 pounds has ever been authenticated.
Real Lobster Legends Worth Believing
Not all lobster stories are fiction. Here are some true legends:
- Blue lobsters are real: A genetic mutation causes about 1 in 2 million lobsters to be bright blue. Several have been caught and documented.
- Split-colored lobsters exist: Bicolored lobsters — split down the middle in two different colors — occur about 1 in 50 million. A famous one was half-blue, half-brown.
- Lobsters really were prison food: As documented in our history of lobster, colonial servants had contracts limiting how often they could be fed lobster.
- Maine lobster festivals draw 100,000+ visitors: The Maine Lobster Festival in Rockland serves over 20,000 pounds of lobster every year.
Final Word on Lobster Myths
Lobster is surrounded by more myths than almost any other food. From immortality to screaming to mating for life, the stories are entertaining — but rarely accurate. The real lobster is even more interesting: a 100-million-year-old survivor, a conservation success story, and one of the world’s great culinary treasures.
Ready to experience the real thing? Order fresh lobster online and taste what all the fuss is about — no myths attached.
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