Aquatic Nature ISSN:2765-7876(Print) 2799-3000(Online) 수생생물

Seaweeds have been utilized in various fields and recently, have received more attention in fish and shrimp aquaculture industries as dietary additives because of their high nutritional value and mass production capacity. In the present study, literature survey was conducted to evaluate bioactive compounds and marine animal feed additives originated from various seaweed species. A total of 136 seaweed species have been utilized for food (45 species), feed and fertilizer (56), pharmaceutical (61), seaweed colloid industry (31), and cosmetic resources (16). Among them, the species with economic potential include 13 green algae, 26 brown algae, and 22 red algae, respectively. More specifically, the genera of Ulva, Sargassum, Ecklonia, Porphyra/Pyropia/Neopyropia and Gracilaria/Gracilariopsis have high economic potential due to their mass production. Bioactive compounds from these species contain carotenoids, phenolic compounds, polyphenols, vitamins, etc. These compounds are known to enhance bioactivities for antioxidant, anticancer, and anti-inflammatory. A total of 65 species were used as marine animal feed additives, including Paralichthys olivaceus, Lateolabrax spp., Oplegnathus spp., Litopenaeus vannamei, Mugil cephalus, Apostichopus japonicus, etc. The use of seaweed for fish feed additives has increased rapidly. For example, in 2010’s over 35 seaweed species were used as fish feed additives but there were only 3 species in 1980’s. This result suggests huge potential of seaweed biomass in fish feed industry in the near future.