Although a large percentage of the aquatic plants and animals that eventually become human food are either captured by fishers or produced by mariculturists in the world’s oceans, a significant amount also comes from fresh water. The term “seafood” commonly is used to describe aquatic plants and animals consumed by humans, regardless of source. Fisheries and aquaculture produce roughly 140 million tons of plants and animals annually. Included are finfish, mollusks (including octopus and squid), crustaceans , seaweeds, reptiles, and marine mammals: the first four categories make up the bulk of the human food that comes from the waters of the world.
Read more: http://www.waterencyclopedia.com/En-Ge/Food-from-the-Sea.html#ixzz6b9HsWJYv
Visit the Hands-on Investigation Module of the Biology TMA BlueTech Curriculum for curriculum connections.