Gracilaria corticata var. cylindrica   Umamaheswara Rao,  1974 (Algae)
Organism information awaits expert curation
Class: Florideophyceae

Thallus form and type: Bushy and cartilaginous

Substratum: Intertidal boulders, coralline substrata

Occurrence: Lower mid littoral zone and infra littoral fringe

Season: November-April

Abundance: Moderate

Plants dark red to yellowish red in color, bushy, 10 cm tall or more, rigid, cartilaginous, often with variegated spots on fronds dichotomously, alternately and irregularly branched, compressed at the lower parts, sub-terete to cylindrical and closely branched above with pointed or spinous apices.

Synonym (s)
Gracilaria corticata var. cylindrica Umamaheswara Rao 1974

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Used for agar production.)

Habitat:  Rocky, Coastal


• Tamil Nadu, Hare Island INDIA (Record: 2007)
• Andaman and Nicobar Islands, Nicobar Islands INDIA (Record: 1996)
• INDIA (Record: 1996)
• Tamil Nadu, Idinthakarai INDIA
• Tamil Nadu, Manapad INDIA
• Tamil Nadu, Tuticorin INDIA
• Tamil Nadu, Mandapam INDIA
• Andaman and Nicobar Islands INDIA
• Andaman and Nicobar Islands, Katchall INDIA (Record: 01/1978-04/1978)
• Andaman and Nicobar Islands, Car Nicobar INDIA (Record: 01/1978-04/1978)
• Gujarat, Rajapara INDIA
• Gujarat, Porbandar INDIA
• Gujarat, Okha INDIA
• Gujarat, Nava Bandar INDIA
• Gujarat, Kotda INDIA
• Gujarat, Dwarka INDIA
• Gujarat, Adri INDIA

Literature Source(s)
  • Kumaresan, S; Jothibai Margret, R and Indra Jasmine, G (2007) Chloroperoxidase activity in some marine algae from Tuticorin coast of Tamilnadu Seaweed Research and Utilisation Seaweed Research and Utilisation Association, Tamil Nadu, India 29(1 & 2) 63-66 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Silva, PC; Basson, PW and Moe, RL (1996) Catalogue of the benthic marine algae of the Indian Ocean University of California Press 79 1259 pp Available at - NIO, Goa
  • Kaliaperumal, N; Kalimuthu, S; Ramalingam, JR. (1995) Economically important Seaweeds Special publication number 62 CMFRI 1-36 Available at -
  • Gopinathan, CP and Panigrahy, R (1983) Seaweed resources Mariculture potential of Andaman and Nicobar Islands-An indicative survey Bulletin of Central Marine Research Institute CMFRI, Cochin 34 47-51 Available at -
  • Rao, MU (1972) On the gracilariaceae of the seas around India Journal of the marine biological associaiton of India The marine biological association of India 14(2) 671-696 Available at - NIO, Goa
  • Jha B, Reddy C.R.K, Thakur M C and Rao M (2009) Seaweeds of India The Diversity and Distribution of seaweeds of Gujarat Coast Springer 211pp Available at - NIO

Page last updated on:2012-12-10

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