Reef fish around Ascension Island are diverse and well adapted to the island’s isolated volcanic coastline. They occupy a wide range of ecological niches, from grazing herbivores to agile predators that help maintain the balance of the nearshore ecosystem.
Chondrichthyes
Sharks and rays are top predators in Ascension’s marine ecosystems. They include reef-associated species, pelagic sharks, and various rays. Recording their presence helps monitor population trends, assess ecosystem health, and inform conservation of these ecologically important species.
Cetacea & Pinnipedia
Marine mammals, including whales (seasonal) and dolphins (residents). Observations often come from boats or aerial surveys. They provide insight into offshore biodiversity, migration routes, and the overall health of the marine environment.
Moray eels are abundant around Ascension Island, thriving in the island’s rocky reefs and lava-formed crevices. These secretive predators play an important role in the local food web.