Sargassum johnstonii   Setchell & N.L.Gardner,  1924 (Algae)
Organism information awaits expert curation
Taxonomy
Kingdom:Chromista
Phylum:Ochrophyta
Class: Phaeophyceae
Order:Fucales
Family:Sargassaceae

Description
Blades linear with entire to distantly denticulate margin, obtuse apex and with cryptostomata more or less in two rows on either side of midrib.

Thallus form and type: Foliose and bushy

Substratum: Intertidal rocks

Occurrence: Infra littoral fringe and sub littoral zone , tide pools

Season: November-April

Abundance: Dominant

Plants dark brown in color with conical holdfast and spirally arranged terete, smooth, 4-8 cm long primary branches, primary branches covered with second-ary branches of 2-12 cm long, secondary branches crowded with linear leaves; leaves thick, 1-2.5 cm long, 1-2.5 mm broad with entire to distantly denticulate margins truncate to obtuse apices; vesicles smooth born singly on short petioles or receptacular stalks, apiculate, apices cylindrical or leaf-like, male and female receptacles 2-5 mm long simple spindle shaped; tuberculate, often bearing leaves at the tips.




Synonym (s)
Sargassum guardiense Setchell & N. L. Gardner, 1924
(Heterotypic synonym)

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Yields algin)

Ecology

Biogeography


• Gujarat, Jalleshwar shore (Lat: 20.9) (Long: 70.37) INDIA
• Gujarat, Porbandar (Lat: 21.63) (Long: 69.6) INDIA
• Gujarat INDIA
• Gujarat, Okha (Lat: 22.47) (Long: 69.08) INDIA
• Gujarat, Veraval (Lat: 20.9) (Long: 70.37) INDIA
• Gujarat, Saurashtra (Lat: 21.97) (Long: 70.5) INDIA
• Tamil Nadu, Gulf of Mannar (Lat: 8.5) (Long: 79) INDIA
• Tamil Nadu INDIA
• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• INDIA
• Gujarat, Okha INDIA
• Gujarat, Gulf of Kachchh INDIA
• Gujarat, Dwarka INDIA
• Gujarat, Port Okha INDIA (Record: 01/1987, 02/1987, 11/1987, 01/1989, 02/1989, 11/1989)
• Gujarat, Okha INDIA
• Gujarat, Porbandar INDIA
• Gujarat, Shivrajpur INDIA
• Gujarat, Veraval INDIA

Literature Source(s)
  • Subbaramaiah, K (1971) Distribution of marine organisms on the Jalleshwar shore, Veraval Seaweed Research and Utilization 1 19-29 Available at - NIO, Goa
  • Rao, PPS; Rao, PS and Karmarkar, SM (1986) Biological investigations of genus Sargassum Seaweed Research and Utilization Seaweed Research and Utilization Association, Marine Fisheries-623 520 Tamil Nadu, India 9(1-2) 25-29 Available at - NIO, Goa
  • Rao, PPS; Rao, PS and Karmarkar, SM (1991) Chemical investigation of Indian Phaeophyceae 3. Total sterol content from different species of Indian sargassum Seaweed Research and Utilization Seaweed Research and Utilization Association, Marine Fishereies-623 520, Tamil Nadu, India 14(1) 15-19 Available at - NIO, Goa
  • Rao, Ck and Indusekhar, VK (1990) Elemental composition of Padina tetrastromatica Hauk from Saurashtra coast Seaweed Research and Utilization 40161 201-206 Available at - NIO, Goa
  • Sahoo, D; Nivedita and Debasish (2001) Seaweeds of Indian coast S. B. Nangia, A. P. H. Publishing Corporation, New Delhi 283 pp Available at - NIO, Goa
  • Subba Rao, NV and Sastry, DRK (2005) Fauna of Marine National Park, Gulf of Kuchchh (Gujarat) ZSI 79 pp Available at - NCL, Pune
  • 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
  • Kesava, CH and Indusekhar, VK (1984) Fluoride content of certain marine algae and seawater from Saurashtra coast Indian Journal of Marine Sciences 13 47-48 Available at - NIO, RC Kochi
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Krishnamurthy, V (2006) Key to the taxonomic identification of green and brown marine algae of India Recent advances on applied aspects of Indian marine algae with reference to global scenario. Seaweed taxonomic identification, aquaculture, resource, environment, fouling and disease Central Salt and Marine Chemicals Research Institute, Bhavnagar 1 1-146 Available at - NIO, Goa
  • Rao, PPS (1996) Biological investigations of Indian phaeophyceae 16. Antibacterial activity of phenolic substances, extracted from Sargassum johnstonii Setchell et Gardner collected from Okha, west coast of India Seaweed Research and Utilisation Seaweed Research and Utilisation Association 18(1-2) 53-56 Available at - NIO, Goa
  • Kaliaperumal, N and Kalimuthu, S (1997) Seaweed potential and its exploitation in India Seaweed Research and Utilisation Seaweed Research and Utilisation Association 19(1-2) 33-40 Available at - NIO, Goa
  • (2006) Algaebase Available at - http://www.algaebase.org/
  • (1997) Coastal marine environment of Gujarat 178pp Available at - NIO, Goa
  • Rao, MU (1970) The economic Seaweeds of India Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 20 1-82 Available at - http://eprints.cmfri.org.in/608/1/Bulletin_20.pdf
  • Kaur, I and Vijayaraghavan, MR (1992) Oogonial development, maturation and release in Sargassum vulgare C. Agardh and S. johnstonii Setchell and Gardner Aquatic Botany Elsevier BV 42(1) 173-185 Available at - NIO, Goa.
  • Kaur, I and Vijayaraghavan, MR (1992) Physode distribution and genesis in Sargassum vulgare C. Agardh and Sargassum johnstonii Setchell and Gardner Aquatic Botany Elsevier BV 42(1) 375-384 Available at - NIO, Goa.
  • Pillai, PKM and Augustine, SK (2000) A code list of common marine living resources of the Indian seas CMFRI Special Publication No.12 CMFRI 1-115 Available at - eprints.cmfri.org.in/3975/1/Special_Publication_No_12_Revised.pdf
  • 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:2012-12-04

Back to Search