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The Next "Killer" Algae? Assessing And Mitigating Invasion Risk For Aquarium Strains Of The Marine Macroalgal Genus Chaetomorpha, Rachel Odom
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Biological invasions threaten the ecological integrity of natural ecosystems. Anthropogenic introductions of non-native species can displace native flora and fauna, altering community compositions and disrupting ecosystem services. One often-overlooked vector for such introductions is the release of aquarium organisms into aquatic ecosystems. Following detrimental aquarium-release invasions by the "killer alga" Caulerpa taxifolia, aquarium hobbyists and professions began promoting the use of other genera of macroalgae as "safe" alternatives. The most popular of these marine aquarium macroalgae, the genus Chaetomorpha, is analyzed here for invasion risk. Mitigation strategies are also evaluated. I found that the propensity for reproduction by vegetative fragmentation …