Alveopora allingi

Alveopora allingi is a colonial stony coral in the family Acroporidae, building reef structures from calcium carbonate skeletons secreted by its polyps. Unlike many related corals, Alveopora species have polyps with twelve tentacles and lack a well-developed axial corallite, giving colonies a distinctive soft, fleshy appearance often formed into rounded or branching structures. Like other reef-building corals, it hosts symbiotic zooxanthellae algae that provide energy through photosynthesis, and the colony structure it creates provides habitat and shelter for numerous reef-associated invertebrates and fish.

The species occupies shallow marine neritic waters across a broad swath of the Indo-Pacific and western Indian Ocean, with recorded populations spanning Australia, Japan, Indonesia, Papua New Guinea, the Maldives, Seychelles, Kenya, French Polynesia, the Marshall Islands, Micronesia, and numerous other island nations and coastal states.

Its decline stems from a combination of pressures rather than a single cause. Coastal development and agricultural runoff introduce nutrients and sediments that degrade water quality, while domestic wastewater discharge compounds this stress. Fishing and harvesting activities, along with recreational use of reef areas, cause direct physical damage.

Invasive species and disease outbreaks affecting coral tissue add further mortality, and broader habitat shifting—linked to changing ocean conditions—undermines reef stability across its range.

Conservation efforts rely largely on marine protected areas established throughout parts of its range, together with international trade regulation and reef monitoring programs conducted by regional and national agencies. Targeted, species-specific interventions remain limited.

Population trends are declining, and the species is currently classified as Endangered. Given the geographic breadth of ongoing threats and the cumulative nature of water quality degradation, disease, and habitat pressures, its long-term outlook remains concerning without substantial improvements in reef management and water quality control across its range.