Best Agar
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Gracilariopsis lemaneiformis is a species of red seaweed that occurs naturally in cold coastal waters and is extensively farmed, particularly in China. It is commercially cultivated as a primary source of agar, a gelatinous substance widely used in the food, pharmaceutical, and microbiological indus...
Gelidium spinosum is a red alga in the family Gelidiaceae, found in the Mediterranean Sea and the eastern Atlantic Ocean. Species of the genus Gelidium are among the primary commercial sources of agar, a polysaccharide used as a gelling agent in food, microbiology, and various industrial application...
Pterocladia lucida is a species of red macroalgae belonging to the family Gelidiaceae. It is distributed across the Southern Hemisphere, particularly along the coastlines of New Zealand and southern Australia. The species grows in subtidal zones and is characterized by its flattened, cartilaginous b...
Gelidiella acerosa is a tropical marine red alga belonging to the family Gelidiellaceae, with a broad distribution across the Indo-Pacific and Atlantic regions. It is characterized by its rigid, heavily branched thallus that forms dense tufts on coral reefs and rocky substrates. Harvested primarily...
Gelidium sesquipedale is a perennial red alga that grows on wave-exposed rocky shores of the northeastern Atlantic, particularly around the Iberian Peninsula and northwestern Africa. Its tough, branching thalli form underwater beds in the lower intertidal and shallow subtidal zones. The species is h...
*Gelidium amansii* is a red seaweed widely harvested in East Asia, recognized globally as a premium source of high-grade bacteriological agar used in scientific research.
*Gracilaria gracilis* is a red macroalga primarily cultivated in regions like Namibia for agar extraction, an essential gelling agent used in food and microbiology labs.
Red alga (family Gelidiaceae) of the northeastern Atlantic and Mediterranean, a traditional commercial source of agar harvested in Portugal and Morocco.
Red alga native to Chile and New Zealand, one of Chile's most commercially important aquaculture seaweeds, farmed since the 1980s primarily as a source of agar.
Red alga (family Gelidiaceae) of temperate and tropical Atlantic and Pacific coasts, a minor commercial agar source and close relative of Gelidium species.
Red alga (family Gracilariaceae) of the Mediterranean and eastern Atlantic, historically harvested as a source of agar; formerly classified within the genus Gracilaria.
A wiry red alga of the North Atlantic historically harvested for agar production in Russia and Scandinavia, where commercial extraction continued through much of the 20th century.
A red alga once forming massive underwater accumulations in the northwestern Black Sea called Zernov's Phyllophora field, historically regarded as the world's largest phytobenthic deposit.
Red alga native to East Asia, now a globally invasive species introduced to Atlantic and Pacific coasts via oyster aquaculture; a commercially important source of agar.
