A rare and unique calico lobster, fittingly named Jack-O’-Lantern, has been discovered in Massachusetts, just in time for Halloween. The lobster, with its vibrant orange and black colours, was caught by a local lobsterman and now resides at Northeastern University’s Marine Science Center in Nahant, Mass. The calico lobster, nicknamed Jackie, is a one-in-30-million catch, with experts attributing her distinctive coloring to a pigment compound called astaxanthin. This rare find has sparked interest and excitement among marine enthusiasts and researchers alike.
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Sierra Munoz, the outreach program coordinator at the Marine Science Center, explained that the astaxanthin pigment compound is responsible for giving lobsters their typical reddish color. In Jackie’s case, the compound is combined with other pigments in a unique way that creates her striking calico appearance. Munoz highlighted the rarity of calico lobsters, noting that they are not only visually distinct but also face challenges due to their stand-out appearance, making them easy targets for predators.
Experts suggest that calico lobster’s coloration is likely a recessive trait, raising questions about the potential for similar-looking offspring. While Jackie is settling into her new home at the Marine Science Center, she has gained a unique companion in the form of Neptune, a rare blue lobster. Both lobsters are being housed in separate tanks for safety reasons, as lobsters can be territorial creatures. This cautious approach ensures that each lobster has its own space to thrive comfortably.

The Marine Science Center’s collection of marine life includes various species, but the lobsters are kept in individual tanks to prevent any territorial disputes. Munoz emphasised the importance of providing a safe and stress-free environment for the lobsters, allowing them to acclimate to their new surroundings without any potential conflicts. The center’s commitment to the well-being of its marine residents reflects a dedication to fostering a conducive and nurturing habitat.
As Jackie and Neptune settle into their new abodes, the Marine Science Center continues to draw attention for its conservation efforts and rare marine discoveries. The presence of these unique lobsters highlights the diverse and fascinating marine life that inhabits the waters off the coast of Massachusetts. The ongoing research and observation conducted at the center offer valuable insights into the behaviours and characteristics of these intriguing crustaceans, shedding light on their importance in the marine ecosystem.
The discovery of Jack-O’-Lantern, the calico lobster, serves as a reminder of the wonders of the natural world and the immense diversity found within it. From the depths of the ocean to the research laboratories of marine science centres, these extraordinary creatures captivate and inspire all who encounter them. As Jackie and Neptune continue to captivate audiences with their rare and beautiful appearances, they symbolise the remarkable and often unexpected treasures that await discovery beneath the waves.
