Off Massachusetts, a routine lobster trip suddenly turned unforgettable when a trap came up holding an animal so brightly coloured it looked almost unreal.
An electric-blue lobster off Salem, Massachusetts
In July 2025, lobster fisherman Brad Myslinski was working his boat, the Sophia & Emma, in the waters off Salem, Massachusetts. He was expecting the usual haul: brown-green American lobsters destined for dinner plates up and down New England.
Instead, one trap held a creature that looked more like a piece of neon glassware than a crustacean. The lobster’s shell was an intense, electric blue, glowing against the grey Atlantic morning.
Scientists say the odds of pulling up a bright-blue American lobster are roughly one in 200 million.
American lobsters (Homarus americanus) typically appear dark, mottled brown with hints of green. That colouring helps them vanish against rocky seafloors. A vivid blue shell does the opposite, making the animal stand out to every passing predator – and, this time, to a very surprised fisherman.
From fishing boat to classroom favourite
Realising he had landed something extraordinary, Myslinski chose not to sell the lobster. Instead, he contacted a nearby high school science teacher, who quickly grasped the educational potential of such a rare specimen.
The lobster was transferred to the Northeastern University Marine Science Center in Nahant, also in Massachusetts. There, students were invited to help choose a name. They went for Neptune, a nod to the Roman god of the sea and the animal’s almost mythical appearance.
Neptune now lives in a rocky touch tank at the centre alongside tautogs (a type of wrasse), sculpins, crabs and green sea urchins. While visitors are encouraged to look closely at his colour, handling is tightly controlled to keep stress low and avoid damaging his delicate legs and antennae.
Neptune might look extraordinary, but in his daily habits he behaves just like any other lobster: hiding under rocks and devouring mussels.
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Why is this lobster so blue?
The key to Neptune’s colour is genetics. According to staff at the marine centre, the lobster carries a rare mutation that alters how pigments in its shell are produced and arranged.
The role of crustacyanin
Lobsters, crabs and some prawns produce a protein complex called crustacyanin. This protein binds to a red-orange pigment known as astaxanthin, changing how light interacts with the shell.
In most American lobsters, the balance of crustacyanin and pigment produces a dark, muddy tone. That makes the animal harder to spot in its natural habitat. In Neptune’s case, his body seems to churn out crustacyanin in excess.
Too much crustacyanin shifts the shell’s appearance towards a striking electric blue, turning a camouflage expert into a high-visibility outlier.
The famous colour change when lobsters are boiled is related to the same chemistry. Heat breaks down crustacyanin, freeing the astaxanthin pigment, which then appears bright red. A raw lobster can therefore look blue, green or brown, yet almost all turn the familiar restaurant red in the pot.
A gallery of odd lobster colours
Neptune is not the first oddly coloured lobster to make headlines, but he sits in a particularly rare category. Scientists and fishers along the North Atlantic have reported a small, curious spectrum of shell variations:
- Calico lobsters with mottled orange and black shells
- Yellow lobsters with a mustard or lemon tint
- “Cotton candy” lobsters swirled with pastel blues and pinks
- Albino or “crystal” lobsters that appear almost completely white
Each of these colour forms is linked to genetic quirks that change how pigments are made, transported or bundled in the shell. A “cotton candy” lobster, for example, was once estimated to be a one-in-100-million find. Neptune’s shade of vivid blue is thought to be even rarer.
Long-lived crustaceans with unusual biology
The story does not end with Neptune’s colour. American lobsters fascinate biologists for another reason: their lifespan. While hard to measure exactly, some individuals are believed to live close to a century in the cold North Atlantic.
Part of this longevity is linked to an enzyme called telomerase. In most animals, telomerase activity drops sharply with age. Lobsters, in contrast, continue to produce the enzyme throughout much of their lives.
Telomerase helps maintain the ends of chromosomes, allowing lobster cells to keep dividing and repairing tissue for decades.
This does not make lobsters immortal; they still face threats from predators, disease, fishing gear and the sheer physical strain of repeatedly moulting their shells. But it does give them an edge in the ageing stakes when compared with many other marine species.
How rare finds reshape attitudes to seafood
When a lobster like Neptune appears, the story often spreads quickly online. Viral photos of blue or pastel-coloured crustaceans can shift public attitudes, even briefly, away from seeing them purely as food.
Fishers in New England and Atlantic Canada sometimes choose to donate unusual lobsters to aquariums or research centres instead of sending them to market. That decision can be driven by curiosity, public pressure, or a sense that some animals are simply too unique to eat.
| Find | Typical response |
|---|---|
| Standard brown-green lobster | Sold for consumption |
| Bright-blue lobster like Neptune | Often donated to a research or outreach centre |
| Albino or “cotton candy” lobster | Almost always kept alive as a curiosity |
For scientists, these animals also provide a living textbook. They help explain genetics, adaptation and marine ecology to school groups and visitors who might never otherwise think deeply about what lives under the waves.
What “one in 200 million” actually means
The odds quoted for Neptune sound astonishing, but they are based on a mix of genetic theory and real-world catch records. If roughly one in two million American lobsters has blue colouring, the chance of a single fisher landing one can be estimated against the number of traps, hauls and years at sea.
In practice, the figure “one in 200 million” reflects how rarely such animals appear at the surface, not just how they occur genetically. Many may never reach catchable size, fall prey to predators early, or simply never wander into a trap line.
For coastal communities, that rarity gives the story weight. A blue lobster becomes a shared local mascot, a reminder that nature still throws surprises even in heavily fished, well-studied waters.
How climate and fishing pressure might affect future oddities
As the Gulf of Maine and nearby waters warm faster than much of the global ocean, scientists are watching lobster populations closely. Shifts in temperature, oxygen levels and habitat can change where lobsters thrive, how fast they grow and when they reproduce.
In theory, changing environmental pressures might alter how often unusual colour mutations appear and survive. A bright-blue lobster could be more visible to predators in shallow, clearer water, making survival harder. On the other hand, if fishing patterns change, more unusual lobsters might slip through nets and traps simply by chance.
For now, Neptune’s story sits at the intersection of science and sheer luck. A rare mutation, a working lobster boat in the right place, and a decision to call a science teacher instead of a wholesaler have turned one animal into a case study for genetics, ageing and ocean ecology all at once.