Brazil researchers test native sponges to combat invasive corals

Researchers in Brazil are testing the use of native sponges as a biological barrier to prevent the colonization of invasive coral species on artificial marine structures. Experiments conducted by biologist Edson Vieira from the State University of Santa Cruz (Uesc) suggest that fast-growing native sponges can occupy substrates in ports, marinas, and breakwaters, creating a physical shield that discourages exotic species like soft coral and sun coral from attaching.

Because artificial environments are often more homogeneous than natural ones, they are particularly susceptible to bioinvasion. The study, which has seen experimentation in states including Bahia, Rio de Janeiro, Paraná, São Paulo, and Alagoas, aims to use these local organisms to protect marine ecosystems from the impact of invasive species.