Gracilaria is a genus of red algae (Rhodophyta) notable for its economic importance as an agarophyte, as well as its use as a food for humans and various species of shellfish. Various species within the genus are cultivated among Asia, South America, Africa and Oceania.
Gracilaria bursa-pastoris (S.G.Gremlin) Silva and Gracilaria multipartita (Clemente) Harvey have long been established in southern England and northwestern France, but confusion between Gracilaria gracilis (Stackhouse) Steentoft, L.Irvine & Farnham and Gracilariopsis longissima (S.G.Gmelin) Steentoft, L. Irvine & Farnham, (as Gracilaria verrucosa (Hudson) Papenfuss or Gracilaria confervoides (L.) Greville) (Steentoft et al. 1995), has prevented recognition of the northern boundaries.
Gracilaria is used as a food in Japanese, Hawaiian, and Filipino cuisine. In Japanese cuisine, it is called ogonori or ogo. In the Philippines, it is called gulaman or guraman. In Jamaica, it is known as Irish moss.
Gracilaria commonly appears as a macroalgae for sale in the aquarium trade. Its nutrient uptake ability makes it a suitable choice for a refugium, and it is a highly palatable algae to many herbivorous fish, such as tangs.
- Steentoft, M. and Farham, W.F. 1997. Northern distribution boundaries and thermal requirements of Gracilaria and Gracilariopsis (Gracilariales, Rhodophyta) in Atlantic Europe and Scandinavia. Nord. J. Bot. 5: 87 - 93
- Kyaw, Aye, The Production of Gracilaria eduli in Burma, Report of the Training Course on Gracilaria Algae, Manila, Philippines, 1–30 April 1981, accessed 27 April 2013
- Davidson, Alan (2004). Seafood of South-East Asia: A Comprehensive Guide with Recipes. Ten Speed Press. p. 197. ISBN 978-1-58008-452-9.
- Thomas J. Goreau; Robert Kent Trench (2013). Innovative Methods of Marine Ecosystem Restoration. CRC Press. pp. 193–. ISBN 978-1-4665-5773-4. Retrieved 30 June 2013.
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