Acanthodasys aculeatus   Remane,  1927 (Gastrotrich)
Organism information awaits expert curation

Size: Length 0.5 – 0.6 mm and width 0.06 mm.

Body elongate, vermiform and dorsoventrally flattened, with both ends slightly tapering. Length and width ratio is around 10:1. Ventral ciliation uniform. Cuticular armature with nail-shaped unispined hooks excepting the anterior head region. Lateral epidermal glands present. Dorsolateral tubes 6 – 8 pairs. Caudal lobes with 2 adhesive tubes each. Pharynx forms ¼ of the total gut length. Mouth terminal and inclined to the ventral surface. Pharyngeal pores inconspicuous at the posterior end of pharynx. Testis paired. Solitary dorsal ovary.

Synonym (s)

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal, Sandy, Coastal


• Andhra Pradesh, Vishakhapatnam (Lat: 17.7) (Long: 83.3) INDIA
• Bay of Bengal (Lat: 15) (Long: 90) INDIA
• Lakshadweep, Kavaratti INDIA (Record: 20/02/1983, 07/03/1983)
• Andaman and Nicobar Islands, West Bay INDIA (Record: 28/03/1990)
• Andaman and Nicobar Islands, Campbell Bay (Lat: 6.75) (Long: 93.63) INDIA
• Andaman and Nicobar Islands, Campbell Bay (Lat: 7.25) (Long: 93.93) INDIA
• Andaman and Nicobar Islands, Great Nicobar, Bonnington Bay (Lat: 6.75) (Long: 93.63) INDIA
• Andaman and Nicobar Islands, Great Nicobar, Bonnington Bay (Lat: 7.25) (Long: 93.93) INDIA

Literature Source(s)
  • 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, DVS (2005) Comprehensive review of the records of the biota of the Indian Seas and the introduction of non-indigenous species Aquatic Conservation: Marine and Freshwater Ecosystems John Wiley and Sons, Ltd. 15(2) 117-146 Available at -
  • Chandrasekhara Rao, G (1974) On the geographical distribution of interstitial fauna of marine beach sand Indian Science Academy Bulletin 47 164-178
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Rao, GC (1991) Meiofauna State fauna series 2: Fauna of Lakshadweep ZSI, Calcutta 41-135 Available at - NIO, Goa
  • Sealifebase Available at -
  • 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:2011-06-21

Back to Search