The enigmatic creatures known affectionately as the "Swimming Pigs" present a truly unique encounter for divers and adventurers exploring the stunning Exuma Cays. Far from the deep ocean trenches and vibrant coral gardens typically associated with our dive destinations, these domesticated Sus scrofa domesticus offer a charming and often comical interaction in the turquoise shallows of Big Major Cay. Unlike their wild boar ancestors, these pigs have embraced a semi-aquatic lifestyle, transforming a typically terrestrial animal into a delightful denizen of the tropical coast.
Behaviour & reproduction
- Size
- 60-90 cm (body length)
- Weight
- 50-200 kg
- Lifespan
- 15-20 years
- Status
- Not Applicable (domestic species)
The social dynamics of the swimming pigs are fascinating to observe. They live in a relatively cohesive herd, ranging in size but always exhibiting a clear pecking order and group behaviours. While they don't form complex, multi-generational social structures like some primate species, their interactions are playful and often vocal. Sows typically care for their piglets, which are miniature versions of their parents, often seen scampering along the shoreline or attempting their first tentative swims. There's no distinct breeding season; reproduction occurs year-round, contributing to the fluctuating numbers of the herd. These interactions are a highlight for visitors, showcasing a side of these animals rarely seen.
Ecologically, these pigs play a somewhat anomalous role. While not native to the marine environment, their presence on Big Major Cay influences the immediate coastal ecosystem. Historically, they would have rooted for tubers and vegetation on the island, but their current diet is heavily supplemented by human interaction. Visitors often provide them with fruit, vegetables, and even fish scraps, which they eagerly consume, demonstrating an opportunistic feeding strategy. This interaction, while delightful, is also a key factor in their diet and overall health. Their presence creates a unique, shallow-water ecosystem where the pigs are a dominant, albeit introduced, species, indirectly influencing the shoreline flora and fauna through their foraging and waste.

