Pisione complexa   (Alikunhi,  1942) (Marine Worm)
Organism information awaits expert curation
Class: Polychaeta

Size: Length 8.0 - 12.0 mm and width 0.15 – 0.20 mm.

Body vermiform, with 35-60 setigerous segments. Prostomium with 2 dark eyes. Buccal segment with a pair of denticulate jaws. Two pairs of cephalic tentacles are directed forwards. Two long anal cirri present on pygidial segment. Anal segment semicircular without anal glands and adhesive pads. Parapodial segments carrying receptacular seminis are not modified.

Upto six pairs of testes, genital funnels, sperm sacs and copulatory organs. Sperms large and non-motile. Ovaries upto 20 pairs.

Synonym (s)
Pisione complexa Alikunhi, 1947
(Objective synonym)

Common Name (s)
Economic Importance and Threats

Habitat:  Estuarine, Sandy, Coastal


• Lakshadweep, Kavaratti INDIA (Record: 20/02/1983)
• Lakshadweep, Andrott INDIA (Record: 23/02/1983)
• Lakshadweep, Kalpeni INDIA (Record: 13/02/1987)
• Lakshadweep INDIA
• Andaman and Nicobar Islands, Andaman Islands INDIA
• Andaman and Nicobar Islands, South Bay INDIA (Record: 26/03/1990)
• Andaman and Nicobar Islands, West Bay INDIA (Record: 28/03/1990)
• Andhra Pradesh, Waltair Coast INDIA
• Bay of Bengal INDIA
• Kerala, Paravur Backwaters INDIA (Record: 02/1974-01/1975)
• Kerala, Edava Nadayara Backwaters INDIA (Record: 02/1974-01/1975)
• Tamil Nadu, Pulicat Lake INDIA
• Andaman and Nicobar Islands, Galathea Bay (Lat: 6.75) (Long: 93.63) INDIA
• Andaman and Nicobar Islands, Galathea Bay (Lat: 7.25) (Long: 93.93) INDIA
• Andaman and Nicobar Islands, Great Nicobar, Peemaiah Bay (Lat: 6.75) (Long: 93.63) INDIA
• Andaman and Nicobar Islands, Great Nicobar, Peemaiah Bay (Lat: 7.25) (Long: 93.93) INDIA

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Rao, GC (1991) Meiofauna State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 41-135 Available at - NIO, Goa
  • Rao, GC (1993) Littoral meiofauna of Little Andaman Records of the Zoological Survey of India. Occasional paper no. 155 ZSI, Calcutta 120 pp Available at - NIO, Goa
  • Rao, GC and Ganapati, PN (1966) The interstitial fauna inhabiting the beach sands of Waltair coast Proceedings of the National Institute of Sciences of India 34(2) Available at - http://www.new.dli.ernet.in/rawdataupload/upload/insa/INSA_1/20005b75_82.pdf
  • Azis, PKA and Nair, NB (1983) Meiofauna of the Edava-Nadayara Paravur backwater system south west coast of India Mahasagar-Bulletin of the National Institute of Oceanography National Institute of Oceanography 16(1) 55-65 Available at - http://ijs.nio.org/index.php/msagar/article/view/2266/2242
  • Nagarjuna, A; Kumar,NVN; Kalarani, V and Reddy, DC (2010) Aquatic and avian biodiversity of Pulicat brackish water lake and ecological degradation World Journal of Fish and Marine Sciences IDOSI Publications 2 (2) 118-123 Available at - http://www.idosi.org/wjfms/wjfms2%282%2910/8.pdf
  • Rao, GC (1988) Meiofauna of the intertidal sediments on Great Nicobar Journal of the Andaman Science Association Andaman Science Association, Port Blair 4 (2) 89-100 Available at - NIO, Goa

Page last updated on:2011-06-22

Back to Search