Inglis Shoals, Kimbe Bay: Seamount encounters in Papua New Guinea

Inglis Shoals presents itself as a classic seamount dive, an isolated reef structure rising dramatically from significant depths to just 14 metres below the surface. This creates an exposed environment, attracting pelagic action from the surrounding open ocean. As you begin your descent, the sheer scale of the shoals becomes apparent, a vibrant oasis in the vast blue of Kimbe Bay, inviting you to explore its unique topography and abundant marine life.

The basic reef structure of Inglis Shoals is dominated by widespread flat plates and non-staghorn coral mounds, forming a rugged and diverse substratum. Interspersed amongst these are large stands of greyish soft corals, likely of the genus Nephthya, swaying gently with any ocean surge. You'll also encounter numerous sea anemones, many boasting brilliantly coloured columns, painting the reef with a rich palette that stands in contrast to the deeper blue.

Within these anemones, a close inspection reveals the resident clownfish species that call Inglis Shoals home. You'll comfortably spot at least three distinct anemonefish species: Clark's anemonefish (Amphiprion clarkii), Pink anemonefish (Amphiprion perideraion), and Spine-cheek anemonefish (Premnas biaculeatus). Observing their symbiotic relationships within their host anemones is a reminder of the intricate ecosystems thriving on this isolated pinnacle.

Beyond the shallow, denuded area at the summit, the reef slopes gently outwards before reaching a distinct ledge between 24 and 28 metres. From this point, the walls plunge vertically into the deep, offering further exploration for those with the appropriate certification. This varied topography provides a diverse range of habitats, from the sun-drenched plateau to the shadowed depths along the walls.

The primary draw of Inglis Shoals, much like its neighbour Bradford Shoals, is the sheer volume of fish action in the water column above the reef. On virtually every dive, you can expect to encounter dense schools of barracuda, platax, jacks, fusiliers, and unicorn fish. These swirling masses of fish move with a captivating rhythm, reflecting the health and productivity of this vibrant marine ecosystem and creating a dynamic dive experience.

For divers keen on larger encounters, Inglis Shoals consistently delivers. Grey reef sharks (Carcharhinus amblyrhynchos) are regular patrons, patrolling the currents along the deeper edges of the reef. Additionally, hammerhead sharks (Sphyrna zygaena) make regular appearances, often seen cruising in the blue, adding an extra layer of excitement to the dive. The presence of numerous cleaning stations also suggests a healthy and active reef community.