Acrosiphonia orientalis   (J. Agardh) P. Silva,  1996 (Algae)
Organism information awaits expert curation
Class: Ulvophyceae

Size: Upto 6.5 cm high

Thallus form and type: Remiform and bushy

Substratum: Rocks and calcareous stones

Occurrence: Mid littoral zone and infra littoral fringe, some times as epiphyte on Sargassum and other macroalgae

Season: November-April

Plants caespitose, attached by a mat of rhizoidal branches arising from lower parts of filaments, which form rope-like stalks to the lobes of the thallus, filaments repeatedly branched, branches sub-dichotomous, pseudodichotomous or tridichotomous, lower cells of branches very long, upto 2.5 mm long, 180-300 μm broad towards the top and gradually tapering downwards to 120-200 μm, cell wall 12-24 μm thick. Cells with numerous pyrenoids and filled with abundant starch grains.

Synonym (s)
Anadema orientalis J. Agardh, 1846
(Homotypic synonym)
Spongomorpha indica Thivy & Visalakshmi, 1963
(Heterotypic synonym)

Common Name (s)
Economic Importance and Threats

Habitat:  Coastal


• Gujarat, Okha Port (Lat: 22.47) (Long: 69.08) INDIA
• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Gujarat INDIA
• Andhra Pradesh, Vishakhapatnam (Lat: 17.7) (Long: 83.3) INDIA
• Gujarat, Okha (Lat: 22.47) (Long: 69.08) INDIA
• Maharashtra INDIA
• Gujarat, Saurashtra (Lat: 21.97) (Long: 70.5) INDIA
• Gujarat, Okha Port INDIA (Record: 06/2004)
• Kerala INDIA
• Tamil Nadu INDIA
• Andhra Pradesh INDIA
• Gujarat, Dwarka (Lat: 22.38) (Long: 69.06) INDIA
• Andhra Pradesh, Fishing Harbour (Lat: 21.7) (Long: 69.66) INDIA
• Andhra Pradesh, Fishing Harbour (Lat: 21.13) (Long: 70.4) INDIA
• Daman and Diu, Nagoa beach (Lat: 20.9) (Long: 71.05) INDIA
• Kerala, Tangasseri INDIA (Record: 06/2003-05/2004)
• Kerala, Thirumullavaram INDIA (Record: 06/2003-05/2004)
• Kerala, Neendakara INDIA (Record: 06/2003-05/2004)
• Kerala, Ashtamudi Lake INDIA (Record: 06/2003-05/2004)
• Kerala, Kollam INDIA (Record: 04/2007-09/2007)
• Kerala, Varkala INDIA (Record: 04/2007-09/2007)
• Gujarat, Kotda INDIA
• Gujarat, Nava Bandar INDIA
• Gujarat, Porbandar (Lat: 21.63) (Long: 69.6) INDIA
• Gujarat, Veraval INDIA

Literature Source(s)
  • Gupta, RS (2005) Ecology of the inter-tidal zone of the open Saurashtra coast, Gujrath: Changes between pre and post-earthquake scenario Gujrath Ecological Society, Gujrath p 166 Available at - Gujrath Ecological Society, Vadodara, Gujrath
  • 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
  • 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
  • Oza, RM and Zaidi, SH (2001) A revised checklist of Indian marine algae Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Sulekha, S and Panikkar, MVN (2006) Marine green algal flora of Kollam Coast, Kerala, South India Seaweed Research and Utilisation Seaweed Research and Utilisation Association and Suganthi Devadason Marine Research Institute 28(1) 5-21 Available at - NIO, Goa
  • (2006) Algaebase Available at -
  • 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
  • Thakur, MC; Reddy, CRK and Jha, B (2008) Seasonal variation in biomass and species composition of seaweeds stranded along Port Okha, northwest coast of India Journal of Earth System Science Springer 117(3) 211–218 Available at -
  • Manilal, A; Sujith, S; Kiran, GS; Selvin, J; Shakir,C; Gandhimathi, R and Panikkar, MVN (2009) Biopotentials of seaweeds collected from southwest coast of India Journal of Marine Science and Technology 17(1) 67-73 Available at -
  • 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:2013-01-02

Back to Search