Parastygarctus higginsi   Renaud-Debyser,  1965 (Water Bear)
Organism information awaits expert curation
Class: Heterotardigrada

Size: Length 240 µm and width 60 µm.

Body dorsoventrally flattened and transparent, with external segmentation of the cuticle in the form of dorsal plates. Each plate is drawn laterally into two long acute processes. Head distinct with anterior and paired lateral lobes bearing appendages that consist of a median cirrus, internal buccal cirrus and external buccal cirrus, clava I, lateral cirrus and clava II. All the cirri are 2-jointed. Four pairs of legs are present disposed laterally, each ending in 4 claws, the median pair bearing long sensory bristles. A very long cirrus occurs anterior to the base of the fourth leg, with a ringed cuticular thickening in the middle. A small papilla occurs between the long cirrus and the fourth leg. Pharyngeal bulb circular with long buccal stylets.

Synonym (s)
Parastygarctus higginsi Renaud-Debyser, 1965

Common Name (s)
Economic Importance and Threats

Habitat:  Sandy


• Andaman and Nicobar Islands, Andaman Islands (Lat: 12.5) (Long: 92.75) INDIA
• Lakshadweep, Minicoy INDIA (Record: 14/03/1987)
• Lakshadweep INDIA
• Andaman and Nicobar Islands, Andamans 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)
  • 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
  • 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:2011-06-24

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