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Red algae, like Gracilaria, Gelidium, Euchema, Porphyra, Acanthophora, and Palmaria are primarily known for their industrial use for phycocolloids (agar, algin, furcellaran and carrageenan) as thickening agent, textiles, food, anticoagulants, water-binding agents, etc. [87] Dulse (Palmaria palmata) is one of the most consumed red algae and is a ...
The name "cyanobacteria" (from Ancient Greek κύανος (kúanos) 'blue') refers to their bluish green color, [5] [6] which forms the basis of cyanobacteria's informal common name, blue-green algae, [7] [8] [9] although as prokaryotes they are not scientifically classified as algae.
Red algae of the Rhodophyceae are common in a freshwater aquarium setting. Despite the name, red algae species usually present as a grayish color. [2] Zhan et al. (2020), using DNA barcoding, found 13 different operational taxonomic units of red algae growing within freshwater aquarium stores in Taiwan. [1] [a]
Batrachospermaceae [2] is a family of fresh water red algae (Rhodophyta). Genera within the Batrachospermaceae generally have a "Lemanea-type" life history with carpospores germinating to produce chantransia. [3] Sporophyte phase with meiosis occurs in an apical cell to produce the gametophyte stage. [3]
Palmaria palmata, also called dulse, dillisk or dilsk (from Irish/Scottish Gaelic duileasc / duileasg), red dulse, sea lettuce flakes, or creathnach, is a red alga previously referred to as Rhodymenia palmata. It grows on the northern coasts of the Atlantic and Pacific Oceans. It is a well-known snack food.
Pyropia is a genus of red algae in the family Bangiaceae. It is found around the world in intertidal zones and shallow water. The genus has folding frond-like blades which are either red, brown or green. Some Pyropia species are used to create nori, and are thus important subjects for aquaculture.
The spores of freshwater algae are dispersed mainly by running water and wind, as well as by living carriers. [83] However, not all bodies of water can carry all species of algae, as the chemical composition of certain water bodies limits the algae that can survive within them. [83] Marine spores are often spread by ocean currents.
Coralline algae are red algae in the order Corallinales. They are characterized by a thallus that is hard because of calcareous deposits contained within the cell walls. The colors of these algae are most typically pink, or some other shade of red, but some species can be purple, yellow, blue, white, or gray-green.