A strikingly rare lobster featuring an unusual split of orange and black hues has recently been caught off the coast of Cape Cod by the crew of a local fishing vessel. The Wellfleet Shellfish Company (WSC), which made the announcement via a Facebook post, explained that such split-coloured lobsters are extraordinarily uncommon, occurring only once in about 50 million.
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The unusual lobster, caught aboard the F/V Timothy Michael, is thought to showcase genetic variations that result in its visually captivating half-and-half appearance. According to the Seacoast Science Center, the condition can be attributed to a genetic phenomenon where two zygotes merge. This leads to a lobster developing individual traits from both genetic lineages, which in turn leads to the remarkable colourations seen in the creature.
Wildlife specialists have elaborated on the potential causes of this lobsters’ distinct appearance, suggesting that factors such as genetic mosaicism, developmental pigment irregularities, or a rare condition known as gynandromorphism may play a role. Gynandromorphism typically involves an organism exhibiting both male and female characteristics, contributing to yet another layer of intrigue surrounding this unique animal.

The split-coloured lobster’s outward characteristics are astonishing; one side of its shell boasts a vibrant orange hue while the opposite side presents a deep black. Notably, its claws reflect a blend of both colours, and the limbs exhibit more pronounced orange tones on one side compared to the other. Further adding to its peculiar features, the two whiskers displayed contrasting shades as well.
Photos shared by the Wellfleet Shellfish Company depict the excitement of the fishing crew upon the lobster’s capture. One notable image captures a crew member gently placing the lobster into a cooler filled with water, while another shows her alongside her colleagues, all grinning as they engage with the rare find.
Rather than preparing the lobster for the dinner table, the Wellfleet Shellfish Company has pledged to donate it to the Woods Hole Science Aquarium. There, the lobster will eventually be displayed for the public to observe and appreciate once the aquarium reopens. Given its remarkable rarity, public interest is expected to be significant.
Currently, the lobster is receiving care from the Marine Biological Laboratory of the National Oceanic and Atmospheric Administration (NOAA) located in Woods Hole, Massachusetts. Several updates are anticipated regarding the lobster’s care and future, with WSC encouraging enthusiasts to follow its remarkable journey closely.
The discovery of such a unique marine creature highlights the importance of supporting local fishing communities and conserving marine biodiversity. It serves as a reminder of the wonders the ocean can provide, underscoring the rich variety of life that exists beneath the waves.
As the lobster prepares for public display, it offers a compelling story that blends the excitement of fishing, the significance of marine research, and the continuous need for conservation efforts.
