Seaweed extracts and suspensions have achieved a broader use and market than seaweed and seaweed meal. 4) Colaconema Caespitosum: This type of seaweed is common in the shore regions with or without intertidal waters. Seaweeds are mainly classified on the basis of their color viz. There are types of seaweeds available as they belong to different algae families. Vegetables from the garden are part of everyday diets, but the ocean also has its share of edible offerings. These seaweeds are common in the northern region. Morphology. There are various types of seaweed that can be consumed both when it is fresh, dried, cooked, until processed into a powder supplement, namely: 1. Jennifer Kennedy, M.S., is an environmental educator specializing in marine life. Dried seaweed. However, unlike plants, seaweeds have no root or internal vascular systems, nor do they produce seeds or flowers, both of which are required to be classified as plants. 3) Monostroma Grevillei: These seaweeds are a common occurrence in rocky pool regions and are found abundantly during the first quarter of the year. 7) Undaria Pinantifida: These brown algae grow in sheltered areas with subtidal in intertidal waters. The global status of seaweed production, trade and utilization, by Fatima Ferdouse, Zhengyong Yang, Susan Løvstad Holdt, Pedro Murúa and Rohan Smith, FAO Consultants. It is one of the most widely available seaweeds. Seaweed is particularly popular as food in Japan. Just like the saying goes too much of anything is bad for health so do not over consume seaweeds as their high iodine content can be severely toxic at times. The categories under which the seaweeds are classified are: Though seagrasses are not algae but are also consumed as seaweeds. It provides an abundance of minerals, plus other nutrients such as vitamins A and C (especially Konbu) and protein (especially nori). Types of Seaweed Farming (village-based, industrial-scale or a mixture of the two), their Advantages and their Constraints 4.1. Alaria Esculenta. source: en.wikipedia.org. It may help with diabetes. Other types of seaweed have been used to treat issues like edema, goiters, respiratory ailments, and even cold sores. One of the earliest patents was applied for by Plant Productivity Ltd., a British company, in 1949. This purplish mossy seaweed is pickled or used in salads and is a popular ingredient in the Caribbean and in Hawaii where it might be found a bowl of poke. Seaweed is a type of plant that grows in the ocean. It is a traditional food along the coasts of the far north Atlantic Ocean. They grow more easily in tropical and temperate waters. 8) Jania Rubens: These are epiphytic seaweeds and at times are found growing on the other brown algae on rocks. 6) Halarachnion Ligulatum: These seaweeds occur year after year and often seen on rocks. Several types of red algae are used in food additives, and some are regular parts of Asian cuisine. Sea lettuce (Ulva lactuca) is a type of green algae commonly found in tidal pools. Rome, Italy. Share on Pinterest Seaweed may help in the management of diabetes. Another popular use is when dried sheets are used to wrap sushi. Start studying Marine Biology 3 types of seaweed Quiz Review. These kelp contain iodine, an element that the body needs to make thyroid hormones. They are widely distributed in colder zones and are absent from tropical waters. Sea lettuce Green nori which looks like lettuce, can be consumed raw in a salad dish or cooked for soup mixture. Common types of green seaweed include the sea lettuce, gut weed and sea rimu. Nori Red algae are then processed into dry sheets and used to roll sushi. As its name suggests, it is spiraled at times. Like plants, they do photosynthesis, but unlike plants, they are single-celled. How Many Cups of Peppermint Tea Should You Drink Per Day? The groups (or phyta) of seaweed that are commonly consumed include: Green algae such as sea lettuce or ulva, and sea grapes Brown algae such as kombu, arame, kelp, and wakame (the miso soup seaweed) Red algae such as dulse, laver, and nori (the sushi seaweed) There are three main categories of these edible seaweeds, such as; red, green and brown algae, in which they are further segregated. These have narrower blades if they are placed in the sand rather than mud. They majorly find their lovers in Japan and Korea. Full of umami and with great texture, kombu is a key ingredient in the Japanese broth known as dashi. The scientific name for this type of seaweed is Gracilaria, also known to the Western world as sea moss. There are more than 6,000 species of red algae. 5) Certain seaweeds have natural fiber which helps in absorption of fat, and thus, seaweeds may assist in losing weight. Brown algae, from the phylum Phaeophyta (meaning "dusky plants"), is the most prevalent type of seaweed. Some seaweed contains antioxidants like an array of phytochemicals like polyphenols and fucoxanthin. Seaweeds also have plant-like cell walls. Seaweed has many uses for different types of products around the world. Even though they may look like underwater plants—in some cases, growing in excess of more than 150 feet in length—seaweeds are not plants at all. Red seaweed, green seaweed, brown seaweed and blue-green seaweed. These algaes are the brown algae, the red algae and the green algae. Kombu. Few examples of the subtypes of Red Algae: 1) Aglaothamnion Sepositum: This kind of red algae is found in mussels majorly, but at times it also collects on barnacles, rocks or exposed shores. The presence of phycoerythrin gives these algae its beautiful hue. The seaweed organism is divided into three types of algaes. Protists Organisms in the Kingdom Protista, M.S., Resource Administration and Management, University of New Hampshire, B.S., Natural Resources, Cornell University. Due to the pigments they contain, they are capable of absorbing sunlight at great depths, even much more than other types of seaweed. 3) Omega 3 fatty acids also help in controlling bad cholesterol and even help in lowering its value. These are almost like plants, but they are life and attach themselves to rocks or other hard options in the coastal area. While not roots in the true sense, brown algae typically have root-like structures called "holdfasts" that are used to anchor the algae to a surface. 5) Spongomorpha Aaeruginosa: This is an uncommon seaweed which gathers around the lower lying red algae. These algae come in three forms: unicellular, colonial, or multicellular. Seaweed definition is - a mass or growth of marine plants. People living on coasts use it to make noodles, bread, drinks and more. 5 Types of Japanese Seaweed Nori. It has broad leaves which are longer than the usual grass. Edible seaweed, or sea vegetables, are seaweeds that can be eaten and used in the preparation of food. They are sold in concentrated form, are easy to transport, dilute and apply and act more rapidly. They typically contain high amounts of fiber. These are also classified on the same basis which you will learn in the next section. While some aquarium owners use chemicals to keep the algae in check, most prefer to introduce one or more species of algae-eating catfish (sometimes referred to as "suckerfish") or snails into the environment to keep algae at a manageable level. Its characteristics are long, leathery laminae and mostly have a large size. While a little bit of algae is a normal facet of a healthy aquarium ecosystem, if left unchecked, it will cover pretty much every surface in an amazingly short span of time. Can also be found in coastal regions which are semi-exposed. Perhaps the most familiar of all Japanese seaweeds thanks to its use in sushi and rolls. The brown and red algae are seaweed that are commonly growing in the sea water. 7) Kallymenia Reniformis: These are rarely found in rocks found in shaded pools. 2) Cladophora Rupestris: These are a common occurrence from mid tidal region to the lower pools. Brown or yellow-brown in color, brown algae are found in the waters of both temperate or arctic climates. Coralline algae, a subgroup of red algae, is important in the formation of coral reefs. But, one last word of caution does not consume them in excess as they have high iodine content which sometimes might be beyond the need of your body. Like plants, marine algae use chlorophyll for photosynthesis. This is the least species-rich of the three seaweed types. Green seaweeds are very reliant on photosynthesis, needing plenty of light in order to grow. 15 Amazing Health Benefits Of Eating Guava (Amrood). D E N N I S A X E R Photograph / Getty Images. image: seaweed.ie. Many types of seaweed are also rich in fiber. The ability to absorb blue light allows red algae to live at greater depths than either brown or green algae. These types include arame, hijiki, kombu, nori, and wakame. 6) Taonia Atomaria: This is a rarely found species of seaweed. 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