Spanning seven volcanoes, Maui Nui was once the largest of the main Hawaiian Islands. But over time, the island began to sink, sea levels rose, and the valleys between the volcanoes became submerged, creating the four distinct islands of Maui, Moloka‘i, Lāna‘i, and Kaho‘olawe.
Today, the shallow, fertile waters between these islands have the largest concentration of coral reefs in Hawai‘i, and the beaches of West Maui are consistently rated among the best in the world. So, it’s not surprising residents and tourists alike flock to the area.
It’s also not surprising that increasing pressures associated with large populations—such as development, unsustainable harvesting, and recreational use—are taking a toll on West Maui’s reefs and the fisheries they support. In fact, Nā Papalimu O Pi‘ilani, a reef off the coast of Polanui that was once known for an abundance of fish and edible limu (algae), now boasts the lowest fish biomass in Hawai'i, meaning its fish are smaller and fewer than all other sites surveyed across the state. Of course, the corals also show signs of decline.